{"cve":{"cve_id":"CVE-2009-2409","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":0.04506,"epss_percentile":0.90272,"epss_as_of":"2026-06-23","description":"The Network Security Services (NSS) library before 3.12.3, as used in Firefox; GnuTLS before 2.6.4 and 2.7.4; OpenSSL 0.9.8 through 0.9.8k; and other products support MD2 with X.509 certificates, which might allow remote attackers to spoof certificates by using MD2 design flaws to generate a hash collision in less than brute-force time.  NOTE: the scope of this issue is currently limited because the amount of computation required is still large.","published_at":"2009-07-30T19:00:00Z","last_modified_at":"2026-06-16T23:09:23.170000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"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":["CWE-295"],"nvd_references":["http://secunia.com/advisories/36139","http://secunia.com/advisories/36157","http://www.mandriva.com/security/advisories?name=MDVSA-2009:197","http://www.mandriva.com/security/advisories?name=MDVSA-2009:216","https://www.debian.org/security/2009/dsa-1888","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8594","http://security.gentoo.org/glsa/glsa-200911-02.xml","http://secunia.com/advisories/36434","http://security.gentoo.org/glsa/glsa-200912-01.xml","http://www.securitytracker.com/id?1022631","http://secunia.com/advisories/42467","https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000101.html","http://www.redhat.com/support/errata/RHSA-2009-1207.html","http://www.securityfocus.com/archive/1/515055/100/0/threaded","http://secunia.com/advisories/36669","http://www.redhat.com/support/errata/RHSA-2009-1432.html","http://www.ubuntu.com/usn/usn-810-1","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10763","http://www.mandriva.com/security/advisories?name=MDVSA-2009:258","https://usn.ubuntu.com/810-2/","http://java.sun.com/javase/6/webnotes/6u17.html","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7155","https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000102.html","http://www.vupen.com/english/advisories/2010/3126","https://rhn.redhat.com/errata/RHSA-2010-0095.html","http://www.vupen.com/english/advisories/2009/3184","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-2409","http://java.sun.com/j2se/1.5.0/ReleaseNotes.html","http://www.vmware.com/security/advisories/VMSA-2010-0019.html","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6631","http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html","http://www.mandriva.com/security/advisories?name=MDVSA-2010:084","http://secunia.com/advisories/37386","http://www.vupen.com/english/advisories/2009/2085","http://www.debian.org/security/2009/dsa-1874","http://secunia.com/advisories/36739","http://support.apple.com/kb/HT3937"],"vuln_status":"Modified","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":"2026-06-28T23:05:05.753406Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"gnu","vendor_name":"gnu","product_slug":"gnutls","product_name":"gnutls","version_start":null,"version_start_inclusive":null,"version_end":"2.6.4","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*"},{"vendor_slug":"mozilla","vendor_name":"Mozilla","product_slug":"network-security-services","product_name":"Network Security Services","version_start":null,"version_start_inclusive":null,"version_end":"3.12.3","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*"},{"vendor_slug":"openssl","vendor_name":"OpenSSL","product_slug":"openssl","product_name":"OpenSSL","version_start":"0.9.8","version_start_inclusive":true,"version_end":"0.9.8k","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://secunia.com/advisories/36139","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/36157","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:197","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:216","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.debian.org/security/2009/dsa-1888","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8594","source_type":"MISC","tags":[]},{"url":"http://security.gentoo.org/glsa/glsa-200911-02.xml","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/36434","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://security.gentoo.org/glsa/glsa-200912-01.xml","source_type":"MISC","tags":[]},{"url":"http://www.securitytracker.com/id?1022631","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/42467","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000101.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.redhat.com/support/errata/RHSA-2009-1207.html","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/515055/100/0/threaded","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/36669","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2009-1432.html","source_type":"MISC","tags":[]},{"url":"http://www.ubuntu.com/usn/usn-810-1","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10763","source_type":"MISC","tags":[]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:258","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://usn.ubuntu.com/810-2/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://java.sun.com/javase/6/webnotes/6u17.html","source_type":"MISC","tags":[]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7155","source_type":"MISC","tags":[]},{"url":"https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000102.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.vupen.com/english/advisories/2010/3126","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://rhn.redhat.com/errata/RHSA-2010-0095.html","source_type":"MISC","tags":[]},{"url":"http://www.vupen.com/english/advisories/2009/3184","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-2409","source_type":"MISC","tags":[]},{"url":"http://java.sun.com/j2se/1.5.0/ReleaseNotes.html","source_type":"MISC","tags":[]},{"url":"http://www.vmware.com/security/advisories/VMSA-2010-0019.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6631","source_type":"MISC","tags":[]},{"url":"http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:084","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/37386","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.vupen.com/english/advisories/2009/2085","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.debian.org/security/2009/dsa-1874","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://secunia.com/advisories/36739","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://support.apple.com/kb/HT3937","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2009-07-30T19:00:00Z","label":"CVE 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