CVE-2013-7020

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-12-09 · updated 2026-06-17
Weakness: CWE-119

Description

The read_header function in libavcodec/ffv1dec.c in FFmpeg before 2.1 does not properly enforce certain bit-count and colorspace constraints, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted FFV1 data.

Affected products

Debian Linux: 6.0
FFmpeg: through 2.0.1; 0.3, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.4.0 (+57)

References

http://ffmpeg.org/security.html
http://openwall.com/lists/oss-security/2013/11/26/7
http://openwall.com/lists/oss-security/2013/12/08/3
http://secunia.com/advisories/61389
http://www.debian.org/security/2014/dsa-3027
http://www.mandriva.com/security/advisories?name=MDVSA-2014:227
https://github.com/FFmpeg/FFmpeg/commit/b05cd1ea7e45a836f7f6071a716c38bb30326e0f
https://security.gentoo.org/glsa/201603-06
http://ffmpeg.org/security.html
http://openwall.com/lists/oss-security/2013/11/26/7
http://openwall.com/lists/oss-security/2013/12/08/3
http://secunia.com/advisories/61389

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