CVE-2011-3973 json
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…
published 2011-10-02 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3926
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ffmpeg Debian 14, Debian 13, Debian 12 7:2.4.1-1
debian advisories DEBIAN-CVE-2011-3973
Exploit prediction
2.50% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
mandriva.com
/security/advisories?name=MDVSA-2012:076
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2012:074
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2012:075
vendor-advisory
- git.videolan.org /?p=ffmpeg.git%3Ba=commit%3Bh=bd968d260aef322fb32e254a3de0d2036c57bd56
- ffmpeg.org /releases/ffmpeg-0.8.4.changelog
- ffmpeg.org /releases/ffmpeg-0.7.5.changelog
Sources
- CVE List CVE-2011-3973
- NVD CVE-2011-3973
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.