{"cve":{"cve_id":"CVE-2022-2929","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.0062,"epss_percentile":0.44981,"epss_as_of":"2026-06-23","description":"In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.","published_at":"2022-10-07T04:45:12.836000Z","last_modified_at":null,"cvss_v3_score":6.5,"cvss_v3_vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://kb.isc.org/docs/cve-2022-2929","https://lists.debian.org/debian-lts-announce/2022/10/msg00015.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/","https://security.gentoo.org/glsa/202305-22"],"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":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:17:29.865157Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"A","value_label":"Adjacent"},{"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":[{"vendor_slug":"isc","vendor_name":"ISC","product_slug":"isc-dhcp","product_name":"ISC DHCP","version_start":"1.0 through versions before 4.1-ESV-R16-P2","version_start_inclusive":true,"version_end":"1.0 through versions before 4.1-ESV-R16-P2","version_end_inclusive":true,"cpe23_uri":"cve5:isc:isc-dhcp:1.0 through versions before 4.1-ESV-R16-P2:1.0 through versions before 4.1-ESV-R16-P2"},{"vendor_slug":"isc","vendor_name":"ISC","product_slug":"isc-dhcp","product_name":"ISC DHCP","version_start":"4.2 through versions before 4.4.3.-P1","version_start_inclusive":true,"version_end":"4.2 through versions before 4.4.3.-P1","version_end_inclusive":true,"cpe23_uri":"cve5:isc:isc-dhcp:4.2 through versions before 4.4.3.-P1:4.2 through versions before 4.4.3.-P1"}],"exploit_refs":[],"news":[],"references":[{"url":"https://kb.isc.org/docs/cve-2022-2929","source_type":"MISC","tags":[]},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00015.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://security.gentoo.org/glsa/202305-22","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2022-10-07T04:45:12.836000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:22:21.470328Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:22:21.470328Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:22:21.470328Z","label":"CVSS score revised","source":"cvelistv5"}]}