Description
Firefox 1.0.6 and Mozilla 1.7.10 allows attackers to execute arbitrary commands via shell metacharacters in a URL that is provided to the browser on the command line, which is sent unfiltered to bash.
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 3.1 | mozilla-thunderbird | 1.0.2-2.sarge1.0.7 | DSA-868-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | firefox +1 | 1.0.7-1.4.1 | RHSA-2005:791, RHSA-2005:785 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Mozilla Browser/Firefox - Arbitrary Command Execution EDB-26288 · remote · Sep 20, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- RHSA-2005:791 Red Hat Security Advisory: thunderbird 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
- DSA-868-1 mozilla-thunderbird - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-868 vendor-advisory
- ADV-2005-1824 vdb-entry
- 14888 vdb-entry
- 15495 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=307185
- USN-186-2 vendor-advisory
- 16869 third-party-advisory
- RHSA-2005:791 vendor-advisory
- USN-200-1 vendor-advisory
- 17042 third-party-advisory
- DSA-866 vendor-advisory
- http://www.mozilla.org/security/announce/mfsa2005-58.html
- 17284 third-party-advisory
- 17149 third-party-advisory
- 17263 third-party-advisory
- oval:org.mitre.oval:def:11105 vdb-entry signature
- VU#914681 third-party-advisory
- RHSA-2005:785 vendor-advisory
- USN-186-1 vendor-advisory
- MDKSA-2005:174 vendor-advisory
- 17090 third-party-advisory
- ADV-2005-1794 vdb-entry