Description
The browser engine in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the nsBlockFrame::StealFrame function in layout/generic/nsBlockFrame.cpp, and unspecified other 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 5.0 | xulrunner | 1.9.0.18-1 | DSA-1999-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | firefox | 3.0.18-1.el5_4 | RHSA-2010:0112 |
| RHEL 5 | thunderbird | 2.0.0.24-2.el5_4 | RHSA-2010:0153 |
| RHEL 5 | xulrunner +2 | 1.9.0.18-1.el5_4 | RHSA-2010:0112 |
| RHEL 4 | firefox | 3.0.18-1.el4 | RHSA-2010:0112 |
| RHEL 4 | seamonkey +5 | 1.0.9-52.el4_8 | RHSA-2010:0113 |
| RHEL 4 | thunderbird | 1.5.0.12-25.el4 | RHSA-2010:0154 |
| RHEL 3 | seamonkey +9 | 1.0.9-0.50.el3 | RHSA-2010:0113 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-2.el5_4 | RHSA-2010:0153 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaThunderbird | 45.5.1-1.1 | openSUSE-SU-2024:10230-1 |
Advisories 6
- RHSA-2010:0112 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2010:0154 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2010:0113 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1999-1 xulrunner - several vulnerabilities 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
- RHSA-2010:0153 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jan 14, 2026
References
- USN-895-1 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=534082
- RHSA-2010:0153 vendor-advisory
- oval:org.mitre.oval:def:9590 vdb-entry signature
- 38847 third-party-advisory
- SUSE-SA:2010:015 vendor-advisory
- RHSA-2010:0113 vendor-advisory
- MDVSA-2010:042 vendor-advisory
- FEDORA-2010-1936 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=530880
- RHSA-2010:0112 vendor-advisory
- ADV-2010-0650 vdb-entry
- http://www.mozilla.org/security/announce/2010/mfsa2010-01.html
- mozilla-browsereng-code-execution(56359) vdb-entry
- FEDORA-2010-1932 vendor-advisory
- 38770 third-party-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=467005
- https://bugzilla.mozilla.org/show_bug.cgi?id=528134
- DSA-1999 vendor-advisory
- RHSA-2010:0154 vendor-advisory
- FEDORA-2010-1727 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=527567
- 38772 third-party-advisory
- USN-896-1 vendor-advisory
- ADV-2010-0405 vdb-entry
- 37242 third-party-advisory
- FEDORA-2010-3230 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=528300
- https://bugzilla.mozilla.org/show_bug.cgi?id=501934
- FEDORA-2010-3267 vendor-advisory
- oval:org.mitre.oval:def:8485 vdb-entry signature