Input validation error in FFmpeg - CVE-2014-8549
Published: November 5, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41154
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-2014-8549
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.
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
Affected software
FFmpeg
Gentoo Linux
media-video/ffmpeg
Gentoo Linux
media-video/ffmpeg
How to mitigate CVE-2014-8549
Install update from vendor's website.
media-video/ffmpeg - update to 2.6.3