Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products 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 | 2.0.11-7 | DSA-2295-1 |
| Debian 6.0 | icedove | 3.0.11-1+squeeze4 | DSA-2297-1 |
| Debian 6.0 | iceweasel | 3.5.16-9 | DSA-2296-1 |
| Debian 5.0 | xulrunner | 1.9.0.19-13 | DSA-2296-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox | 3.6.20-2.el6_1 | RHSA-2011:1164 |
| RHEL 6 | thunderbird | 3.1.12-1.el6_1 | RHSA-2011:1166 |
| RHEL 6 | xulrunner +1 | 1.9.2.20-2.el6_1 | RHSA-2011:1164 |
| RHEL 5 | firefox | 3.6.20-2.el5 | RHSA-2011:1164 |
| RHEL 5 | thunderbird | 2.0.0.24-21.el5 | RHSA-2011:1165 |
| RHEL 5 | xulrunner +1 | 1.9.2.20-2.el5 | RHSA-2011:1164 |
| RHEL 4 | firefox | 3.6.20-2.el4 | RHSA-2011:1164 |
| RHEL 4 | seamonkey +5 | 1.0.9-72.el4 | RHSA-2011:1167 |
| RHEL 4 | thunderbird | 1.5.0.12-40.el4 | RHSA-2011:1165 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-21.el5 | RHSA-2011:1165 |
Advisories 7
- RHSA-2011:1167 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:1165 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:1166 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:1164 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2297-1 icedove - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2295-1 iceape - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2296-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDVSA-2011:127 vendor-advisory
- http://www.mozilla.org/security/announce/2011/mfsa2011-30.html
- oval:org.mitre.oval:def:14294 vdb-entry signature
- DSA-2297 vendor-advisory
- SUSE-SU-2011:0967 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=674545
- https://bugzilla.mozilla.org/show_bug.cgi?id=643062
- DSA-2296 vendor-advisory
- RHSA-2011:1166 vendor-advisory
- 1025940 vdb-entry
- SUSE-SA:2011:037 vendor-advisory
- RHSA-2011:1164 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=632206
- https://bugzilla.mozilla.org/show_bug.cgi?id=541255
- RHSA-2011:1165 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=615970
- DSA-2295 vendor-advisory
- RHSA-2011:1167 vendor-advisory