{"cve":{"cve_id":"CVE-2023-44487","is_kev":true,"kev_date_added":"2023-10-10","kev_vendor_project":"IETF","kev_product":"HTTP/2","kev_vulnerability_name":"HTTP/2 Rapid Reset Attack Vulnerability","kev_short_description":"HTTP/2 contains a rapid reset vulnerability that allows for a distributed denial-of-service attack (DDoS).","kev_required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2023-10-31","kev_known_ransomware":false,"kev_notes":"This vulnerability affects a common open-source component, third-party library, or protocol used by different products. For more information, please see: HTTP/2 Rapid Reset Vulnerability, CVE-2023-44487 | CISA: https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487; https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/;  https://nvd.nist.gov/vuln/detail/CVE-2023-44487","kev_cwes":["CWE-400"],"epss_score":0.99999,"epss_percentile":0.99996,"epss_as_of":"2026-06-23","description":"The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.","published_at":"2023-10-10T00:00:00Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-400"],"nvd_references":["https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73","https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/","https://aws.amazon.com/security/security-bulletins/AWS-2023-011/","https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack","https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/","https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/","https://news.ycombinator.com/item?id=37831062","https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/","https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack","https://github.com/envoyproxy/envoy/pull/30055","https://github.com/haproxy/haproxy/issues/2312","https://github.com/eclipse/jetty.project/issues/10679","https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764","https://github.com/nghttp2/nghttp2/pull/1961","https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61","https://github.com/alibaba/tengine/issues/1872","https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2","https://news.ycombinator.com/item?id=37830987","https://news.ycombinator.com/item?id=37830998","https://github.com/caddyserver/caddy/issues/5877","https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/","https://github.com/bcdannyboy/CVE-2023-44487","https://github.com/grpc/grpc-go/pull/6703","https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244","https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0","https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html","https://my.f5.com/manage/s/article/K000137106","https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/","https://bugzilla.proxmox.com/show_bug.cgi?id=4988","https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9","http://www.openwall.com/lists/oss-security/2023/10/10/7","http://www.openwall.com/lists/oss-security/2023/10/10/6","https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected","https://github.com/microsoft/CBL-Mariner/pull/6381","https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo","https://github.com/facebook/proxygen/pull/466","https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088","https://github.com/micrictor/http2-rst-stream","https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve","https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/","https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf","https://github.com/h2o/h2o/pull/3291","https://github.com/nodejs/node/pull/50121","https://github.com/dotnet/announcements/issues/277","https://github.com/golang/go/issues/63417","https://github.com/advisories/GHSA-vx74-f528-fxqg","https://github.com/apache/trafficserver/pull/10564","https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487","https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14","https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q","https://www.openwall.com/lists/oss-security/2023/10/10/6","https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487","https://github.com/opensearch-project/data-prepper/issues/3474","https://github.com/kubernetes/kubernetes/pull/121120","https://github.com/oqtane/oqtane.framework/discussions/3367","https://github.com/advisories/GHSA-xpw8-rcwv-8f8p","https://netty.io/news/2023/10/10/4-1-100-Final.html","https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487","https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/","https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack","https://news.ycombinator.com/item?id=37837043","https://github.com/kazu-yamamoto/http2/issues/93","https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html","https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1","https://github.com/apache/httpd/blob/afcdbeebbff4b0c50ea26cdd16e178c0d1f24152/modules/http2/h2_mplx.c#L1101-L1113","https://www.debian.org/security/2023/dsa-5522","https://www.debian.org/security/2023/dsa-5521","https://access.redhat.com/security/cve/cve-2023-44487","https://github.com/ninenines/cowboy/issues/1615","https://github.com/varnishcache/varnish-cache/issues/3996","https://github.com/tempesta-tech/tempesta/issues/1986","https://blog.vespa.ai/cve-2023-44487/","https://github.com/etcd-io/etcd/issues/16740","https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event","https://istio.io/latest/news/security/istio-security-2023-004/","https://github.com/junkurihara/rust-rpxy/issues/97","https://bugzilla.suse.com/show_bug.cgi?id=1216123","https://bugzilla.redhat.com/show_bug.cgi?id=2242803","https://ubuntu.com/security/CVE-2023-44487","https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125","https://github.com/advisories/GHSA-qppj-fm5r-hxr3","https://github.com/apache/httpd-site/pull/10","https://github.com/projectcontour/contour/pull/5826","https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632","https://github.com/line/armeria/pull/5232","https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/","https://security.paloaltonetworks.com/CVE-2023-44487","https://github.com/akka/akka-http/issues/4323","https://github.com/openresty/openresty/issues/930","https://github.com/apache/apisix/issues/10320","https://github.com/Azure/AKS/issues/3947","https://github.com/Kong/kong/discussions/11741","https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487","https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/","https://github.com/caddyserver/caddy/releases/tag/v2.7.5","https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html","http://www.openwall.com/lists/oss-security/2023/10/13/4","http://www.openwall.com/lists/oss-security/2023/10/13/9","https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/","https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/","https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/","https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html","https://security.netapp.com/advisory/ntap-20231016-0001/","https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html","http://www.openwall.com/lists/oss-security/2023/10/18/4","http://www.openwall.com/lists/oss-security/2023/10/18/8","http://www.openwall.com/lists/oss-security/2023/10/19/6","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/","http://www.openwall.com/lists/oss-security/2023/10/20/8","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/","https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html","https://www.debian.org/security/2023/dsa-5540","https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html","https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/","https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html","https://www.debian.org/security/2023/dsa-5549","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/","https://www.debian.org/security/2023/dsa-5558","https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html","https://security.gentoo.org/glsa/202311-09","https://www.debian.org/security/2023/dsa-5570","https://security.netapp.com/advisory/ntap-20240426-0007/","https://security.netapp.com/advisory/ntap-20240621-0006/","https://security.netapp.com/advisory/ntap-20240621-0007/","https://github.com/grpc/grpc/releases/tag/v1.59.2","https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T01:38:28.950134Z"},"effective_severity":"HIGH","badges":["kev","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73","source_type":"MISC","tags":[]},{"url":"https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/","source_type":"MISC","tags":[]},{"url":"https://aws.amazon.com/security/security-bulletins/AWS-2023-011/","source_type":"MISC","tags":[]},{"url":"https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack","source_type":"MISC","tags":[]},{"url":"https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/","source_type":"MISC","tags":[]},{"url":"https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/","source_type":"MISC","tags":[]},{"url":"https://news.ycombinator.com/item?id=37831062","source_type":"MISC","tags":[]},{"url":"https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/","source_type":"MISC","tags":[]},{"url":"https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack","source_type":"MISC","tags":[]},{"url":"https://github.com/envoyproxy/envoy/pull/30055","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/haproxy/haproxy/issues/2312","source_type":"MISC","tags":[]},{"url":"https://github.com/eclipse/jetty.project/issues/10679","source_type":"MISC","tags":[]},{"url":"https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764","source_type":"MISC","tags":[]},{"url":"https://github.com/nghttp2/nghttp2/pull/1961","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/alibaba/tengine/issues/1872","source_type":"MISC","tags":[]},{"url":"https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2","source_type":"MISC","tags":[]},{"url":"https://news.ycombinator.com/item?id=37830987","source_type":"MISC","tags":[]},{"url":"https://news.ycombinator.com/item?id=37830998","source_type":"MISC","tags":[]},{"url":"https://github.com/caddyserver/caddy/issues/5877","source_type":"MISC","tags":[]},{"url":"https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/","source_type":"MISC","tags":[]},{"url":"https://github.com/bcdannyboy/CVE-2023-44487","source_type":"MISC","tags":[]},{"url":"https://github.com/grpc/grpc-go/pull/6703","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244","source_type":"MISC","tags":[]},{"url":"https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0","source_type":"PATCH","tags":["patch"]},{"url":"https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://my.f5.com/manage/s/article/K000137106","source_type":"MISC","tags":[]},{"url":"https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://bugzilla.proxmox.com/show_bug.cgi?id=4988","source_type":"MISC","tags":[]},{"url":"https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9","source_type":"MISC","tags":["patch"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/10/7","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/10/6","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected","source_type":"MISC","tags":[]},{"url":"https://github.com/microsoft/CBL-Mariner/pull/6381","source_type":"PATCH","tags":["patch"]},{"url":"https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo","source_type":"MISC","tags":[]},{"url":"https://github.com/facebook/proxygen/pull/466","source_type":"PATCH","tags":["patch"]},{"url":"https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088","source_type":"MISC","tags":[]},{"url":"https://github.com/micrictor/http2-rst-stream","source_type":"MISC","tags":[]},{"url":"https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve","source_type":"MISC","tags":[]},{"url":"https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/","source_type":"MISC","tags":[]},{"url":"https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/h2o/h2o/pull/3291","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/nodejs/node/pull/50121","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/dotnet/announcements/issues/277","source_type":"MISC","tags":[]},{"url":"https://github.com/golang/go/issues/63417","source_type":"MISC","tags":[]},{"url":"https://github.com/advisories/GHSA-vx74-f528-fxqg","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/apache/trafficserver/pull/10564","source_type":"PATCH","tags":["patch"]},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14","source_type":"MISC","tags":[]},{"url":"https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.openwall.com/lists/oss-security/2023/10/10/6","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487","source_type":"MISC","tags":[]},{"url":"https://github.com/opensearch-project/data-prepper/issues/3474","source_type":"MISC","tags":[]},{"url":"https://github.com/kubernetes/kubernetes/pull/121120","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/oqtane/oqtane.framework/discussions/3367","source_type":"MISC","tags":[]},{"url":"https://github.com/advisories/GHSA-xpw8-rcwv-8f8p","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://netty.io/news/2023/10/10/4-1-100-Final.html","source_type":"MISC","tags":[]},{"url":"https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487","source_type":"MISC","tags":[]},{"url":"https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/","source_type":"MISC","tags":[]},{"url":"https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack","source_type":"MISC","tags":[]},{"url":"https://news.ycombinator.com/item?id=37837043","source_type":"MISC","tags":[]},{"url":"https://github.com/kazu-yamamoto/http2/issues/93","source_type":"MISC","tags":[]},{"url":"https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html","source_type":"MISC","tags":[]},{"url":"https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/apache/httpd/blob/afcdbeebbff4b0c50ea26cdd16e178c0d1f24152/modules/http2/h2_mplx.c#L1101-L1113","source_type":"MISC","tags":[]},{"url":"https://www.debian.org/security/2023/dsa-5522","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.debian.org/security/2023/dsa-5521","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/cve-2023-44487","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/ninenines/cowboy/issues/1615","source_type":"MISC","tags":[]},{"url":"https://github.com/varnishcache/varnish-cache/issues/3996","source_type":"MISC","tags":[]},{"url":"https://github.com/tempesta-tech/tempesta/issues/1986","source_type":"MISC","tags":[]},{"url":"https://blog.vespa.ai/cve-2023-44487/","source_type":"MISC","tags":[]},{"url":"https://github.com/etcd-io/etcd/issues/16740","source_type":"MISC","tags":[]},{"url":"https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event","source_type":"MISC","tags":[]},{"url":"https://istio.io/latest/news/security/istio-security-2023-004/","source_type":"MISC","tags":[]},{"url":"https://github.com/junkurihara/rust-rpxy/issues/97","source_type":"MISC","tags":[]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1216123","source_type":"MISC","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2242803","source_type":"MISC","tags":[]},{"url":"https://ubuntu.com/security/CVE-2023-44487","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125","source_type":"MISC","tags":[]},{"url":"https://github.com/advisories/GHSA-qppj-fm5r-hxr3","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/apache/httpd-site/pull/10","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/projectcontour/contour/pull/5826","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/line/armeria/pull/5232","source_type":"PATCH","tags":["patch"]},{"url":"https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/","source_type":"MISC","tags":[]},{"url":"https://security.paloaltonetworks.com/CVE-2023-44487","source_type":"MISC","tags":[]},{"url":"https://github.com/akka/akka-http/issues/4323","source_type":"MISC","tags":[]},{"url":"https://github.com/openresty/openresty/issues/930","source_type":"MISC","tags":[]},{"url":"https://github.com/apache/apisix/issues/10320","source_type":"MISC","tags":[]},{"url":"https://github.com/Azure/AKS/issues/3947","source_type":"MISC","tags":[]},{"url":"https://github.com/Kong/kong/discussions/11741","source_type":"MISC","tags":[]},{"url":"https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487","source_type":"MISC","tags":[]},{"url":"https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/","source_type":"MISC","tags":[]},{"url":"https://github.com/caddyserver/caddy/releases/tag/v2.7.5","source_type":"PATCH","tags":["patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/13/4","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/13/9","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/","source_type":"MISC","tags":[]},{"url":"https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/","source_type":"MISC","tags":[]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://security.netapp.com/advisory/ntap-20231016-0001/","source_type":"MISC","tags":[]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/18/4","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/18/8","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/19/6","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/20/8","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.debian.org/security/2023/dsa-5540","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715","source_type":"MISC","tags":[]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.debian.org/security/2023/dsa-5549","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.debian.org/security/2023/dsa-5558","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://security.gentoo.org/glsa/202311-09","source_type":"MISC","tags":[]},{"url":"https://www.debian.org/security/2023/dsa-5570","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240426-0007/","source_type":"MISC","tags":[]},{"url":"https://security.netapp.com/advisory/ntap-20240621-0006/","source_type":"MISC","tags":[]},{"url":"https://security.netapp.com/advisory/ntap-20240621-0007/","source_type":"MISC","tags":[]},{"url":"https://github.com/grpc/grpc/releases/tag/v1.59.2","source_type":"PATCH","tags":["patch"]},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2023-10-10T00:00:00Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2023-10-10T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"cvss_changed","at":"2026-06-28T17:30:12.203679Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:30:12.203679Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:30:12.203679Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:38:28.950134Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:38:28.950134Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:38:28.950134Z","label":"SSVC decision revised","source":"vulnrichment"}]}