Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.19 and 3.6.x before 3.6.17, Thunderbird before 3.1.10, and SeaMonkey before 2.0.14 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 | 2.0.11-5 | DSA-2227-1 |
| Debian 6.0 | icedove | 3.0.11-1+squeeze2 | DSA-2235-1 |
| Debian 6.0 | iceweasel | 3.5.16-7 | DSA-2228-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox | 3.6.17-1.el6_0 | RHSA-2011:0471 |
| RHEL 6 | thunderbird | 3.1.10-1.el6_0 | RHSA-2011:0475 |
| RHEL 6 | xulrunner +1 | 1.9.2.17-4.el6_0 | RHSA-2011:0471 |
| RHEL 5 | firefox | 3.6.17-1.el5_6 | RHSA-2011:0471 |
| RHEL 5 | thunderbird | 2.0.0.24-17.el5_6 | RHSA-2011:0474 |
| RHEL 5 | xulrunner +1 | 1.9.2.17-3.el5_6 | RHSA-2011:0471 |
| RHEL 4 | firefox | 3.6.17-2.el4 | RHSA-2011:0471 |
| RHEL 4 | seamonkey +5 | 1.0.9-70.el4_8 | RHSA-2011:0473 |
| RHEL 4 | thunderbird | 1.5.0.12-38.el4 | RHSA-2011:0474 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-17.el5_6 | RHSA-2011:0474 |
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-2011:0475 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0473 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0474 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0471 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2227-1 iceape - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2228-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2235-1 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=637621
- DSA-2228 vendor-advisory
- 47641 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=637957
- MDVSA-2011:079 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=634257
- http://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_thunderbird
- DSA-2235 vendor-advisory
- oval:org.mitre.oval:def:13866 vdb-entry signature
- https://bugzilla.mozilla.org/show_bug.cgi?id=638236
- http://downloads.avaya.com/css/P8/documents/100134543
- http://www.mozilla.org/security/announce/2011/mfsa2011-12.html
- MDVSA-2011:080 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=615147
- DSA-2227 vendor-advisory
- http://downloads.avaya.com/css/P8/documents/100144158