CVE-2011-3362

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-10-02 · updated 2026-06-16
Weakness: CWE-189

Description

Integer signedness error in the decode_residual_block function in cavsdec.c in libavcodec in FFmpeg before 0.7.3 and 0.8.x before 0.8.2, and libav through 0.7.1, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted Chinese AVS video (aka CAVS) file.

Affected products

FFmpeg: through 0.7.2; 0.3, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.4.0 (+19)
libav: through 0.7.1; 0.3, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.4.0 (+16)

References

http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=91d5da9321c52e8197fb14046ebb335f3e6ff4a0
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=c5cbda50793e311aa73489d12184ffd6761c9fbf
http://secunia.com/advisories/45532
http://www.ffmpeg.org/releases/ffmpeg-0.7.5.changelog
http://www.ffmpeg.org/releases/ffmpeg-0.8.4.changelog
http://www.ocert.org/advisories/ocert-2011-002.html
http://www.openwall.com/lists/oss-security/2011/09/13/4
http://www.openwall.com/lists/oss-security/2011/09/14/8
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=91d5da9321c52e8197fb14046ebb335f3e6ff4a0
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=c5cbda50793e311aa73489d12184ffd6761c9fbf
http://secunia.com/advisories/45532
http://www.ffmpeg.org/releases/ffmpeg-0.7.5.changelog

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