Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 5.0 and Thunderbird through 3.1.11 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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox | 3.6.18-1.el6_1 | RHSA-2011:0885 |
| RHEL 6 | thunderbird | 3.1.11-2.el6_1 | RHSA-2011:0886 |
| RHEL 6 | xulrunner +1 | 1.9.2.18-2.el6_1 | RHSA-2011:0885 |
| RHEL 5 | firefox | 3.6.18-1.el5_6 | RHSA-2011:0885 |
| RHEL 5 | thunderbird | 2.0.0.24-18.el5_6 | RHSA-2011:0887 |
| RHEL 5 | xulrunner +1 | 1.9.2.18-2.el5_6 | RHSA-2011:0885 |
| RHEL 4 | firefox | 3.6.18-2.el4 | RHSA-2011:0885 |
| RHEL 4 | seamonkey +5 | 1.0.9-71.el4 | RHSA-2011:0888 |
| RHEL 4 | thunderbird | 1.5.0.12-39.el4 | RHSA-2011:0887 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-18.el5_6 | RHSA-2011:0887 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
Advisories 5
- RHSA-2011:0888 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0886 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0887 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0885 Red Hat Security Advisory: firefox security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 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=653238
- https://bugzilla.mozilla.org/show_bug.cgi?id=654015
- MDVSA-2011:111 vendor-advisory
- oval:org.mitre.oval:def:14071 vdb-entry signature
- https://bugzilla.mozilla.org/show_bug.cgi?id=648705
- https://bugzilla.mozilla.org/show_bug.cgi?id=597162
- http://support.avaya.com/css/P8/documents/100145333
- https://bugzilla.mozilla.org/show_bug.cgi?id=653026
- https://bugzilla.mozilla.org/show_bug.cgi?id=652401
- http://support.avaya.com/css/P8/documents/100144854
- RHSA-2011:0887 vendor-advisory
- RHSA-2011:0885 vendor-advisory
- RHSA-2011:0888 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=643927
- http://www.mozilla.org/security/announce/2011/mfsa2011-19.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=648022
- RHSA-2011:0886 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=643839