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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ffmpeg | 7:2.5.1-1 | — |
| Debian 13 | ffmpeg | 7:2.5.1-1 | — |
| Debian 12 | ffmpeg | 7:2.5.1-1 | — |
| Debian 7 | libav | 6:0.8.17-1 | DSA-3189-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | chromium-browser | 40.0.2214.94-0ubuntu0.14.04.1.1068 | — |
| Ubuntu 14.04 LTS | libav | 6:9.20-0ubuntu0.14.04.1 | — |
| Ubuntu 14.04 LTS | oxide-qt | 1.4.2-0ubuntu0.14.04.1 | USN-2476-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | chromium-browser | 40.0.2214.91-1.el6_6 | RHSA-2015:0093 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 55.0.2883.75-3.1 | openSUSE-SU-2024:12948-1, openSUSE-SU-2024:10171-1 |
Advisories 5
- RHSA-2015:0093 Red Hat Security Advisory: chromium-browser security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-3189-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2476-1 oxide-qt vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2024:10171-1 chromedriver-55.0.2883.75-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12948-1 ungoogled-chromium-113.0.5672.92-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 62665 third-party-advisory
- https://code.google.com/p/chromium/issues/detail?id=427266
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=490a3ebf36821b81f73e34ad3f554cb523dd2682
- http://googlechromereleases.blogspot.com/2015/01/stable-update.html
- 62575 third-party-advisory
- USN-2476-1 vendor-advisory
- 72288 vdb-entry
- GLSA-201502-13 vendor-advisory
- 1031623 vdb-entry
- openSUSE-SU-2015:0441 vendor-advisory
- RHSA-2015:0093 vendor-advisory
- 62383 third-party-advisory