CVE-2014-7933

high
Published 2015-01-22 · Modified 2026-05-06
CVSS v3
CVSS v2
7.5
VIR risk
7.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-7933

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed7:2.5.1-1
debian debianbullseyefixed7:2.5.1-1
debian debianforkyfixed7:2.5.1-1
debian debiansidfixed7:2.5.1-1
debian debiantrixiefixed7:2.5.1-1

Application impact

VendorProductVersionsFixed
gcp googlechrome{"endIncluding":"40.0.2214.85"}
ffmpegffmpeg{"endIncluding":"2.5.0"}

References

Verify integrity in audit chain (admin only). AS-IS.