Buffer overflow in FFmpeg - CVE-2014-8542
Published: March 5, 2019 / Updated: June 8, 2025
Vulnerability identifier: #VU110601
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-2014-8542
CWE-ID: CWE-119
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/utils.c in FFmpeg before 2.4.2 omits a certain codec ID during enforcement of alignment, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted JV data.
Affected software
FFmpeg
Gentoo Linux
Ubuntu
libavcodec53 (Ubuntu package)
libavformat53 (Ubuntu package)
media-video/ffmpeg
Gentoo Linux
Ubuntu
libavcodec53 (Ubuntu package)
libavformat53 (Ubuntu package)
media-video/ffmpeg
How to mitigate CVE-2014-8542
Install update from vendor's website.
FFmpeg - update to 2.4.2
libavcodec53 (Ubuntu package) - update to 4:0.8.17-0ubuntu0.12.04.1
libavformat53 (Ubuntu package) - update to 4:0.8.17-0ubuntu0.12.04.1
media-video/ffmpeg - update to 2.6.3
libavcodec53 (Ubuntu package) - update to 4:0.8.17-0ubuntu0.12.04.1
libavformat53 (Ubuntu package) - update to 4:0.8.17-0ubuntu0.12.04.1
media-video/ffmpeg - update to 2.6.3