Description
Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.2, and SeaMonkey before 2.15 allow remote attackers to spoof the address bar via vectors involving authentication information in the userinfo field of a URL, in conjunction with a 204 (aka No Content) HTTP status code.
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 6 | firefox +2 | 10.0.12-1.el6_3 | RHSA-2013:0144 |
| RHEL 6 | thunderbird | 10.0.12-3.el6_3 | RHSA-2013:0145 |
| RHEL 5 | firefox +2 | 10.0.12-1.el5_9 | RHSA-2013:0144 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 10.0.12-3.el5_9 | RHSA-2013:0145 |
Advisories 2
- RHSA-2013:0145 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2013:0144 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
References
- SUSE-SU-2013:0048 vendor-advisory
- openSUSE-SU-2013:0131 vendor-advisory
- RHSA-2013:0145 vendor-advisory
- oval:org.mitre.oval:def:16827 vdb-entry signature
- USN-1681-4 vendor-advisory
- RHSA-2013:0144 vendor-advisory
- http://www.mozilla.org/security/announce/2013/mfsa2013-04.html
- SUSE-SU-2013:0049 vendor-advisory
- USN-1681-1 vendor-advisory
- openSUSE-SU-2013:0149 vendor-advisory
- USN-1681-2 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=802026