Buffer overflow in FFmpeg - CVE-2013-7020
Published: December 9, 2013 / Updated: June 8, 2025
Vulnerability identifier: #VU42260
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-7020
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ffmpeg.sourceforge.net
Affected software:
FFmpeg
FFmpeg
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
How to mitigate CVE-2013-7020
Install update from vendor's website.
Sources
- 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