{"cve":"CVE-2011-3973","nvd":{"published":"2011-10-02T20:55:01.570","modified":"2026-06-16T23:34:14.113","status":"Modified","description":"cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=bd968d260aef322fb32e254a3de0d2036c57bd56","http://www.ffmpeg.org/releases/ffmpeg-0.7.5.changelog","http://www.ffmpeg.org/releases/ffmpeg-0.8.4.changelog","http://www.mandriva.com/security/advisories?name=MDVSA-2012:074","http://www.mandriva.com/security/advisories?name=MDVSA-2012:075"],"products":["ffmpeg:ffmpeg"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-3973","score":0.02502,"percentile":0.8472,"date":"2026-11-01"},"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."]}