CVE-2011-4352
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.c) in libavcodec in FFmpeg 0...
CVE-2011-4352 is a medium vulnerability (CVSS 6.8) in Ffmpeg, published August 20, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.05%, the 93rd percentile. No source names a fixed version.
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.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 (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.
Exploit likelihood
What each source reports
NVD Score used
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.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 (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.
- Record
CVE-2011-4352- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.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 (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.
- Record
CVE-2011-4352- Updated
- 2026-11-02
EUVDEUVD-2011-4283 No score
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.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 (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.
- Record
EUVD-2011-4283- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f7vh-hgm6-q6h3 No score
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.c) in libavcodec in FFmpeg 0...
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.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 (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.
- Record
GHSA-f7vh-hgm6-q6h3- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |
References
libav.org/releases/libav-0.6.4.changelog
mandriva.com/security/advisories?name=MDVSA-2012:076
ubuntu.com/usn/usn-1320-1
git.libav.org?p=libav.git%3Ba=commit%3Bh=8b94df0f2047e9728cb872adc9e64557b7a5152f
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securityfocus.com/archive/1/520622
ffmpeg.org
git.videolan.org?p=ffmpeg.git%3Ba=commit%3Bh=eef5c35b4352ec49ca41f6198bee8a976b1f81e5
nvd.nist.gov/vuln/detail/CVE-2011-4352
github.com/advisories/GHSA-f7vh-hgm6-q6h3