Description
The favicon functionality in Firefox before 1.0.3 and Mozilla Suite before 1.7.7 allows remote attackers to execute arbitrary code via a <LINK rel="icon"> tag with a javascript: URL in the href attribute, aka "Firelinking."
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
- oval:org.mitre.oval:def:10655 vdb-entry signature
- RHSA-2005:386 vendor-advisory
- 14992 third-party-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=290036
- oval:org.mitre.oval:def:100021 vdb-entry signature
- http://www.mikx.de/firelinking/
- 15495 vdb-entry
- VU#973309 third-party-advisory
- GLSA-200504-18 vendor-advisory
- 14938 third-party-advisory
- RHSA-2005:384 vendor-advisory
- http://www.mozilla.org/security/announce/mfsa2005-37.html
- 13216 vdb-entry
- RHSA-2005:383 vendor-advisory