{"cve":"CVE-2012-3970","nvd":{"published":"2012-08-29T10:56:40.927","modified":"2026-06-16T23:44:10.100","status":"Modified","description":"Use-after-free vulnerability in the nsTArray_base::Length function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving movement of a requiredFeatures attribute from one SVG document to another.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html","http://rhn.redhat.com/errata/RHSA-2012-1210.html","http://rhn.redhat.com/errata/RHSA-2012-1211.html"],"products":["mozilla:firefox","mozilla:seamonkey","mozilla:thunderbird","mozilla:thunderbird_esr"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-3970","score":0.05194,"percentile":0.92473,"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."]}