CVE-2011-4579 json
The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before…
published 2012-08-20 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4505
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.3%
- EPSS 3.3% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."
Patch / fix
- ffmpeg Debian 14, Debian 13, Debian 12 7:2.4.1-1
debian advisories DEBIAN-CVE-2011-4579
Exploit prediction
3.32% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
mandriva.com
/security/advisories?name=MDVSA-2012:076
vendor-advisory
-
ubuntu.com
/usn/usn-1320-1
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2012:074
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2012:075
vendor-advisory
-
ubuntu.com
/usn/usn-1333-1
vendor-advisory
-
ffmpeg.org
/
vendor-advisory
-
libav.org
/
vendor-advisory
- git.libav.org /?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
- git.videolan.org /?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
-
securityfocus.com
/archive/1/520620
mailing-list
Sources
- CVE List CVE-2011-4579
- NVD CVE-2011-4579
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.