CVE-2014-7933

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-01-22 · updated 2026-06-17

Description

Use-after-free vulnerability in the matroska_read_seek function in libavformat/matroskadec.c in FFmpeg before 2.5.1, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Matroska file that triggers improper maintenance of tracks data.

Affected products

FFmpeg: through 2.5.0
Google Chrome: through 40.0.2214.85

References

http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=490a3ebf36821b81f73e34ad3f554cb523dd2682
http://googlechromereleases.blogspot.com/2015/01/stable-update.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
http://rhn.redhat.com/errata/RHSA-2015-0093.html
http://secunia.com/advisories/62383
http://secunia.com/advisories/62575
http://secunia.com/advisories/62665
http://security.gentoo.org/glsa/glsa-201502-13.xml
http://www.securityfocus.com/bid/72288
http://www.securitytracker.com/id/1031623
http://www.ubuntu.com/usn/USN-2476-1
https://code.google.com/p/chromium/issues/detail?id=427266

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