Description
Firefox before 1.0.3, Mozilla Suite before 1.7.7, and Netscape 7.2 allows remote attackers to replace existing search plugins with malicious ones using sidebar.addSearchEngine and the same filename as the target engine, which may not be displayed in the GUI, which could then be used to execute malicious script, aka "Firesearching 2."
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 4 | devhelp +1 | 0.9.2-2.4.4 | RHSA-2005:386 |
| RHEL 4 | firefox | 1.0.3-1.4.1 | RHSA-2005:383 |
Advisories 2
- RHSA-2005:386 Red Hat Security Advisory: Mozilla security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:383 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- RHSA-2005:386 vendor-advisory
- 14992 third-party-advisory
- http://www.mozilla.org/security/announce/mfsa2005-38.html
- 15495 vdb-entry
- http://www.mikx.de/firesearching/
- 14938 third-party-advisory
- mozilla-plugin-xss(20125) vdb-entry
- RHSA-2005:384 vendor-advisory
- oval:org.mitre.oval:def:9961 vdb-entry signature
- RHSA-2005:383 vendor-advisory
- 13211 vdb-entry
- 14996 third-party-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=290037