Description
Firefox 1.0.6 allows attackers to cause a denial of service (crash) via a Proxy Auto-Config (PAC) script that uses an eval statement. NOTE: it is not clear whether an untrusted party has any role in triggering this issue, so it might not be a 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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | devhelp +1 | 0.9.2-2.4.7 | RHSA-2005:789 |
| RHEL 4 | firefox | 1.0.7-1.4.1 | RHSA-2005:785 |
Advisories 2
- RHSA-2005:789 Red Hat Security Advisory: mozilla security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:785 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 1014949 vdb-entry
- 14924 vdb-entry
- FLSA-2006:168375 vendor-advisory
- http://www.mozilla.org/products/firefox/releases/1.0.7.html
- oval:org.mitre.oval:def:9280 vdb-entry signature
- 19615 vdb-entry
- mozillafirefox-proxy-dos(22371) vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=302100
- 16977 third-party-advisory