Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
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 6.0 | iceape | 2.0.11-10 | DSA-2402-1 |
| Debian 6.0 | icedove | 3.0.11-1+squeeze7 | DSA-2406-1 |
| Debian 6.0 | iceweasel | 3.5.16-12 | DSA-2400-1 |
| Debian 5.0 | xulrunner | 1.9.0.19-16 | DSA-2400-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox | 3.6.26-1.el6_2 | RHSA-2012:0079 |
| RHEL 6 | thunderbird | 3.1.18-1.el6_2 | RHSA-2012:0080 |
| RHEL 6 | xulrunner +1 | 1.9.2.26-1.el6_2 | RHSA-2012:0079 |
| RHEL 5 | firefox | 3.6.26-1.el5_7 | RHSA-2012:0079 |
| RHEL 5 | thunderbird | 2.0.0.24-28.el5_7 | RHSA-2012:0085 |
| RHEL 5 | xulrunner +1 | 1.9.2.26-1.el5_7 | RHSA-2012:0079 |
| RHEL 4 | firefox | 3.6.26-2.el4 | RHSA-2012:0079 |
| RHEL 4 | seamonkey +5 | 1.0.9-78.el4 | RHSA-2012:0084 |
| RHEL 4 | thunderbird | 1.5.0.12-46.el4 | RHSA-2012:0085 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-28.el5_7 | RHSA-2012:0085 |
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 10
- RHSA-2012:0085 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:0084 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:0079 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:0080 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2400-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2402-1 iceape - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2406-1 icedove - several Debian Security (DSA / DLA) · Mar 9, 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
- https://bugzilla.mozilla.org/show_bug.cgi?id=705347
- https://bugzilla.mozilla.org/show_bug.cgi?id=693399
- DSA-2402 vendor-advisory
- DSA-2400 vendor-advisory
- SUSE-SU-2012:0198 vendor-advisory
- http://www.mozilla.org/security/announce/2012/mfsa2012-01.html
- MDVSA-2012:013 vendor-advisory
- DSA-2406 vendor-advisory
- SUSE-SU-2012:0221 vendor-advisory
- oval:org.mitre.oval:def:14678 vdb-entry signature
- openSUSE-SU-2012:0234 vendor-advisory