{"cve":"CVE-2013-3671","nvd":{"published":"2013-06-10T03:19:54.960","modified":"2026-06-16T23:55:36.980","status":"Modified","description":"The format_line function in log.c in libavutil in FFmpeg before 1.2.1 uses inapplicable offset data during a certain category calculation, which allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) via crafted data that triggers a log message.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://ffmpeg.org/security.html","http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7edb984dd051b6919d7d8471c70499273f31b0fa","http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=cc0dd86580b3257f22a4981a79eb5fa6804182b6","http://ffmpeg.org/security.html","http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7edb984dd051b6919d7d8471c70499273f31b0fa"],"products":["ffmpeg:ffmpeg"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-3671","score":0.01357,"percentile":0.71672,"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."]}