Description
Unspecified vulnerability in the browser engine in Mozilla Firefox before 3.0.16, SeaMonkey before 2.0.1, and Thunderbird allows 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 5.0 | xulrunner | 1.9.0.16-1 | DSA-1956-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | firefox | 3.0.16-1.el5_4 | RHSA-2009:1674 |
| RHEL 5 | xulrunner +2 | 1.9.0.16-2.el5_4 | RHSA-2009:1674 |
| RHEL 4 | firefox | 3.0.16-4.el4 | RHSA-2009:1674 |
Advisories 2
- RHSA-2009:1674 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1956-1 xulrunner - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 37704 third-party-advisory
- 37699 third-party-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=468771
- ADV-2009-3547 vdb-entry
- 37881 third-party-advisory
- 37785 third-party-advisory
- 1023333 vdb-entry
- 37813 third-party-advisory
- USN-873-1 vendor-advisory
- 37363 vdb-entry
- firefox-browser-engine-code-exec(54801) vdb-entry
- 37349 vdb-entry
- RHSA-2009:1674 vendor-advisory
- oval:org.mitre.oval:def:8584 vdb-entry signature
- DSA-1956 vendor-advisory
- oval:org.mitre.oval:def:8523 vdb-entry signature
- http://www.mozilla.org/security/announce/2009/mfsa2009-65.html
- 1023334 vdb-entry
- SUSE-SA:2009:063 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=546713