{"cve":"CVE-2008-5014","nvd":{"published":"2008-11-13T11:30:01.253","modified":"2026-06-16T22:58:57.113","status":"Modified","description":"jslock.cpp in Mozilla Firefox 3.x before 3.0.2, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by modifying the window.__proto__.__proto__ object in a way that causes a lock on a non-native object, which triggers an assertion failure related to the OBJ_IS_NATIVE function.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html","http://secunia.com/advisories/32011","http://secunia.com/advisories/32684","http://secunia.com/advisories/32693","http://secunia.com/advisories/32694"],"products":["canonical:ubuntu_linux","debian:debian_linux","mozilla:firefox","mozilla:seamonkey","mozilla:thunderbird"],"source":"nvd","synced_at":"2026-10-19T19:52:44.811608366+00:00"},"epss":{"cve":"CVE-2008-5014","score":0.05865,"percentile":0.93201,"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."]}