CVE-2012-0850

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-08-20 · updated 2026-06-16
Weakness: CWE-119

Description

The sbr_qmf_synthesis function in libavcodec/aacsbr.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (application crash) via a crafted mpg file that triggers memory corruption involving the v_off variable, probably a buffer underflow.

Affected products

FFmpeg: through 0.9; 0.3, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.4.0 (+36)

References

http://ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=944f5b2779e4aa63f7624df6cd4de832a53db81b
http://www.openwall.com/lists/oss-security/2012/02/01/11
http://www.openwall.com/lists/oss-security/2012/02/14/4
https://exchange.xforce.ibmcloud.com/vulnerabilities/78934
http://ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=944f5b2779e4aa63f7624df6cd4de832a53db81b
http://www.openwall.com/lists/oss-security/2012/02/01/11
http://www.openwall.com/lists/oss-security/2012/02/14/4
https://exchange.xforce.ibmcloud.com/vulnerabilities/78934

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