{"cve":"CVE-2012-5830","nvd":{"published":"2012-11-21T12:55:03.290","modified":"2026-06-16T23:47:25.123","status":"Modified","description":"Use-after-free vulnerability in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 on Mac OS X allows remote attackers to execute arbitrary code via an HTML document.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-416"],"references":["http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html","http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html","http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html","http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html","http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html"],"products":["canonical:ubuntu_linux","mozilla:firefox","mozilla:seamonkey","mozilla:thunderbird","mozilla:thunderbird_esr","opensuse:opensuse","redhat:enterprise_linux_desktop","redhat:enterprise_linux_eus","redhat:enterprise_linux_server","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_workstation","suse:suse_linux_enterprise_desktop","suse:suse_linux_enterprise_server","suse:suse_linux_enterprise_software_development_kit"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-5830","score":0.03814,"percentile":0.9005,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}