Description
Heap-based buffer overflow in the gfxTextRun::ShrinkToLigatureBoundaries function in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.1, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.1, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via a crafted document.
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.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 45.5.1-1.1 | openSUSE-SU-2024:10230-1 |
Advisories 2
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 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
- oval:org.mitre.oval:def:17019 vdb-entry signature
- SUSE-SU-2013:0048 vendor-advisory
- openSUSE-SU-2013:0131 vendor-advisory
- http://www.mozilla.org/security/announce/2013/mfsa2013-02.html
- USN-1681-4 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=785555
- SUSE-SU-2013:0049 vendor-advisory
- USN-1681-1 vendor-advisory
- openSUSE-SU-2013:0149 vendor-advisory
- USN-1681-2 vendor-advisory