Description
Use-after-free vulnerability in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 might allow user-assisted remote attackers to execute arbitrary code via vectors involving use of mozRequestFullScreen to enter full-screen mode, and use of the history.back method for backwards history navigation.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox +3 | 10.0.8-1.el6_3 | RHSA-2012:1351, RHSA-2012:1350 |
| RHEL 5 | firefox +3 | 10.0.8-1.el5_8 | RHSA-2012:1351, RHSA-2012:1350 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 10.0.8-1.el5_8 | RHSA-2012:1351 |
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 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 5
- RHSA-2012:1351 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1350 Red Hat Security Advisory: firefox security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 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
- 50904 third-party-advisory
- 50984 third-party-advisory
- 50935 third-party-advisory
- firefox-full-screen-code-exec(79149) vdb-entry
- 50856 third-party-advisory
- 50892 third-party-advisory
- RHSA-2012:1351 vendor-advisory
- oval:org.mitre.oval:def:16334 vdb-entry signature
- 86109 vdb-entry
- 50936 third-party-advisory
- 55318 third-party-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=725770
- SUSE-SU-2012:1351 vendor-advisory
- MDVSA-2012:163 vendor-advisory
- http://www.mozilla.org/security/announce/2012/mfsa2012-79.html
- USN-1611-1 vendor-advisory