Description
The nsTreeContentView function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 does not properly handle node removal in XUL trees, which allows remote attackers to execute arbitrary code via vectors involving access to deleted memory, related to a "dangling pointer vulnerability."
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 | 1.9.0.19-4 | DSA-2106-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | firefox | 3.6.9-2.el5 | RHSA-2010:0681 |
| RHEL 5 | nspr +1 | 4.8.6-1.el5 | RHSA-2010:0681 |
| RHEL 5 | nss +3 | 3.12.7-2.el5 | RHSA-2010:0681 |
| RHEL 5 | thunderbird | 2.0.0.24-8.el5 | RHSA-2010:0682 |
| RHEL 5 | xulrunner +1 | 1.9.2.9-1.el5 | RHSA-2010:0681 |
| RHEL 4 | firefox | 3.6.9-1.el4 | RHSA-2010:0681 |
| RHEL 4 | nspr +1 | 4.8.6-1.el4 | RHSA-2010:0681 |
| RHEL 4 | nss +2 | 3.12.7-1.el4 | RHSA-2010:0681 |
| RHEL 4 | seamonkey +5 | 1.0.9-63.el4 | RHSA-2010:0680 |
| RHEL 4 | thunderbird | 1.5.0.12-30.el4 | RHSA-2010:0682 |
| RHEL 3 | seamonkey +9 | 1.0.9-0.60.el3 | RHSA-2010:0680 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-8.el5 | RHSA-2010:0682 |
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 7
- RHSA-2010:0681 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2010:0682 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2010:0680 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2106-1 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
- 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
- SUSE-SA:2010:049 vendor-advisory
- http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox
- FEDORA-2010-14362 vendor-advisory
- http://support.avaya.com/css/P8/documents/100110210
- http://support.avaya.com/css/P8/documents/100112690
- 42867 third-party-advisory
- http://www.mozilla.org/security/announce/2010/mfsa2010-56.html
- http://www.zerodayinitiative.com/advisories/ZDI-10-171/
- ADV-2011-0061 vdb-entry
- mozilla-nstreecontentview-code-execution(61661) vdb-entry
- 43097 vdb-entry
- MDVSA-2010:173 vendor-advisory
- ADV-2010-2323 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=576070
- DSA-2106 vendor-advisory
- oval:org.mitre.oval:def:12136 vdb-entry signature