Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 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 | 2.0.11-13 | DSA-2489-1 |
| Debian 6.0 | icedove | 3.0.11-1+squeeze11 | DSA-2499-1 |
| Debian 6.0 | iceweasel | 3.5.16-16 | DSA-2488-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox +2 | 10.0.5-1.el6_2 | RHSA-2012:0710 |
| RHEL 6 | thunderbird | 10.0.5-2.el6_2 | RHSA-2012:0715 |
| RHEL 5 | firefox +2 | 10.0.5-1.el5_8 | RHSA-2012:0710 |
| RHEL 5 | thunderbird | 10.0.5-2.el5_8 | RHSA-2012:0715 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 10.0.5-2.el5_8 | RHSA-2012:0715 |
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 |
Advisories 7
- RHSA-2012:0715 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:0710 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2489-1 iceape - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2488-1 iceweasel - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2499-1 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-2024:10071-1 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=643967
- https://bugzilla.mozilla.org/show_bug.cgi?id=723465
- https://bugzilla.mozilla.org/show_bug.cgi?id=745494
- MDVSA-2012:088 vendor-advisory
- DSA-2488 vendor-advisory
- DSA-2499 vendor-advisory
- RHSA-2012:0710 vendor-advisory
- http://www.mozilla.org/security/announce/2012/mfsa2012-34.html
- oval:org.mitre.oval:def:17055 vdb-entry signature
- SUSE-SU-2012:0746 vendor-advisory
- openSUSE-SU-2012:0760 vendor-advisory
- DSA-2489 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=745254
- RHSA-2012:0715 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=745580