Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 13.0, Thunderbird before 13.0, 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 vectors related to (1) methodjit/ImmutableSync.cpp, (2) the JSObject::makeDenseArraySlow function in js/src/jsarray.cpp, and unknown other components.
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 +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 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 5
- 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
- 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=748948
- https://bugzilla.mozilla.org/show_bug.cgi?id=723773
- MDVSA-2012:088 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=716067
- https://bugzilla.mozilla.org/show_bug.cgi?id=736012
- RHSA-2012:0710 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=670317
- http://www.mozilla.org/security/announce/2012/mfsa2012-34.html
- oval:org.mitre.oval:def:17058 vdb-entry signature
- https://bugzilla.mozilla.org/show_bug.cgi?id=718852
- https://bugzilla.mozilla.org/show_bug.cgi?id=730415
- SUSE-SU-2012:0746 vendor-advisory
- openSUSE-SU-2012:0760 vendor-advisory
- 53796 vdb-entry
- RHSA-2012:0715 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=723971
- https://bugzilla.mozilla.org/show_bug.cgi?id=699594
- https://bugzilla.mozilla.org/show_bug.cgi?id=708688