{"cve":"CVE-2013-5603","nvd":{"published":"2013-10-30T10:55:04.583","modified":"2026-06-16T23:59:05.583","status":"Modified","description":"Use-after-free vulnerability in the nsContentUtils::ContentIsHostIncludingDescendantOf function in Mozilla Firefox before 25.0, Firefox ESR 24.x before 24.1, Thunderbird before 24.1, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving HTML document templates.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html","http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00006.html","http://www.mozilla.org/security/announce/2013/mfsa2013-102.html","https://bugzilla.mozilla.org/show_bug.cgi?id=916404","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19302"],"products":["mozilla:firefox","mozilla:seamonkey","mozilla:thunderbird","mozilla:thunderbird_esr"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-5603","score":0.05416,"percentile":0.92697,"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."]}