Input validation error in FFmpeg - CVE-2014-9603
Published: December 3, 2016 / Updated: June 8, 2025
Vulnerability identifier: #VU110595
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2014-9603
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The vmd_decode function in libavcodec/vmdvideo.c in FFmpeg before 2.5.2 does not validate the relationship between a certain length value and the frame width, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Sierra VMD video data.
Affected software
FFmpeg
Gentoo Linux
media-video/ffmpeg
Gentoo Linux
media-video/ffmpeg
How to mitigate CVE-2014-9603
Install update from vendor's website.
FFmpeg - update to 2.5.2
media-video/ffmpeg - update to 2.6.3
media-video/ffmpeg - update to 2.6.3