Race condition in FFmpeg - CVE-2015-6761

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU110579

Race condition in FFmpeg - CVE-2015-6761

Published: December 21, 2018 / Updated: June 8, 2025


Vulnerability identifier: #VU110579
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-2015-6761
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ffmpeg.sourceforge.net
Affected software:
FFmpeg

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.


How to mitigate CVE-2015-6761

Install update from vendor's website.

Sources