Description
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not properly establish the security context of a feed: URL, which allows remote attackers to bypass unspecified cross-site scripting (XSS) protection mechanisms via a feed:javascript: URL.
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 | 10.0.6-1.el6_3 | RHSA-2012:1088 |
| RHEL 5 | firefox | 10.0.6-1.el5_8 | RHSA-2012:1088 |
| RHEL 5 | xulrunner +1 | 10.0.6-2.el5_8 | RHSA-2012:1088 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 3
- RHSA-2012:1088 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10071-1 MozillaFirefox-50.1.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=758990
- 49992 third-party-advisory
- 1027256 vdb-entry
- http://www.mozilla.org/security/announce/2012/mfsa2012-55.html
- RHSA-2012:1088 vendor-advisory
- USN-1509-2 vendor-advisory
- oval:org.mitre.oval:def:17001 vdb-entry signature
- 49979 third-party-advisory
- SUSE-SU-2012:0895 vendor-advisory
- 49965 third-party-advisory
- 84012 vdb-entry
- 54579 vdb-entry
- SUSE-SU-2012:0896 vendor-advisory
- openSUSE-SU-2012:0899 vendor-advisory
- USN-1509-1 vendor-advisory
- 49972 third-party-advisory