CVE-2011-3952
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before...
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
Exploit likelihood
What each source reports
NVD Score used
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
- Record
CVE-2011-3952- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
- Record
CVE-2011-3952- Updated
- 2026-11-02
EUVDEUVD-2011-3905 No score
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
- Record
EUVD-2011-3905- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q8mw-vrp6-fqq8 No score
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before...
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
- Record
GHSA-q8mw-vrp6-fqq8- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
- Record
CVE-2011-3952- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-3952 No score
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
- Record
DEBIAN-CVE-2011-3952- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ffmpegDebian:12 |
before 7:2.4.1-1 | 7:2.4.1-1 |
ffmpegDebian:13 |
before 7:2.4.1-1 | 7:2.4.1-1 |
ffmpegDebian:14 |
before 7:2.4.1-1 | 7:2.4.1-1 |
ffmpegDebian:6.0 From an advisory covering 4 CVEs |
before 4:0.5.9-1, plus listed versions 4:0.5.2-64:0.5.4-14:0.5.5-14:0.5.6-34:0.5.8-1 |
4:0.5.9-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-3952 is a medium vulnerability (CVSS 6.8) in Ffmpeg, published June 12, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.12%, the 87th percentile. Fixed in ffmpeg 7:2.4.1-1.
References
ubuntu.com/usn/USN-1479-1
debian.org/security/2012/dsa-2494
ffmpeg.org
git.libav.org?p=libav.git%3Ba=commit%3Bh=386741f887714d3e46c9e8fe577e326a7964037b
libav.org
nvd.nist.gov/vuln/detail/CVE-2011-3952
github.com/advisories/GHSA-q8mw-vrp6-fqq8
security-tracker.debian.org/tracker/CVE-2011-3952