{"cve":"CVE-2009-3382","nvd":{"published":"2009-10-29T14:30:01.127","modified":"2026-06-16T23:11:30.160","status":"Modified","description":"layout/base/nsCSSFrameConstructor.cpp in the browser engine in Mozilla Firefox 3.0.x before 3.0.15 does not properly handle first-letter frames, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1","http://www.mozilla.org/security/announce/2009/mfsa2009-64.html","http://www.vupen.com/english/advisories/2009/3334","https://bugzilla.mozilla.org/show_bug.cgi?id=514960","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11219"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-3382","score":0.10843,"percentile":0.95854,"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."]}