Description
Integer overflow in libtheora in Xiph.Org Theora before 1.1, as used in Mozilla Firefox 3.5 before 3.5.6 and SeaMonkey before 2.0.1, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a video with large dimensions.
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 | libtheora | 1.1 | — |
| Debian 13 | libtheora | 1.1 | — |
| Debian 12 | libtheora | 1.1 | — |
| Debian 5.0 | libtheora | 1.0~beta3-1+lenny1 | DSA-2045-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 3
- DSA-2045-1 libtheora - arbitrary code execution Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10071-1 MozillaFirefox-50.1.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- 39317 third-party-advisory
- 37699 third-party-advisory
- http://www.mozilla.org/security/announce/2009/mfsa2009-67.html
- oval:org.mitre.oval:def:7967 vdb-entry signature
- ADV-2009-3547 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=515882
- 37881 third-party-advisory
- FEDORA-2009-13362 vendor-advisory
- 37785 third-party-advisory
- SUSE-SR:2010:013 vendor-advisory
- USN-874-1 vendor-advisory
- FEDORA-2009-13333 vendor-advisory
- mozilla-theora-bo(54805) vdb-entry
- 37349 vdb-entry
- SUSE-SR:2010:008 vendor-advisory
- FEDORA-2009-13366 vendor-advisory
- http://www.theora.org/news/#libtheora-1.1.0
- MDVSA-2010:043 vendor-advisory
- 37856 third-party-advisory
- 37368 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=504613
- SUSE-SA:2009:063 vendor-advisory