Description
Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to execute arbitrary JavaScript with chrome privileges by leveraging a reference to a chrome window from a content window, related to the window.opener property.
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
- oval:org.mitre.oval:def:8489 vdb-entry signature
- 37699 third-party-advisory
- oval:org.mitre.oval:def:11568 vdb-entry signature
- ADV-2009-3547 vdb-entry
- 37881 third-party-advisory
- FEDORA-2009-13362 vendor-advisory
- 37785 third-party-advisory
- 1023345 vdb-entry
- http://www.mozilla.org/security/announce/2009/mfsa2009-70.html
- USN-874-1 vendor-advisory
- 37813 third-party-advisory
- FEDORA-2009-13333 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=522430
- USN-873-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=546724
- 37365 vdb-entry
- 37349 vdb-entry
- RHSA-2009:1674 vendor-advisory
- FEDORA-2009-13366 vendor-advisory
- DSA-1956 vendor-advisory
- 37856 third-party-advisory
- 1023344 vdb-entry
- firefox-windowopener-code-execution(54803) vdb-entry
- SUSE-SA:2009:063 vendor-advisory