CVE-2014-7933

high
Published 2015-01-22 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
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
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 7:2.5.1-1
sid Fixed 7:2.5.1-1
forky Fixed 7:2.5.1-1
bullseye Fixed 7:2.5.1-1
bookworm Fixed 7:2.5.1-1

Application impact

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

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

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