Description
Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do not properly handle onLocationChange events during navigation between different https sites, which allows remote attackers to spoof the X.509 certificate information in the address bar via a crafted web page.
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 | 10.0.7-1.el6_3 | RHSA-2012:1210 |
| RHEL 5 | firefox | 10.0.7-1.el5_8 | RHSA-2012:1210 |
| RHEL 5 | xulrunner +1 | 10.0.7-2.el5_8 | RHSA-2012:1210 |
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-2012:1210 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
- http://www.mozilla.org/security/announce/2012/mfsa2012-69.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=768568
- USN-1548-1 vendor-advisory
- USN-1548-2 vendor-advisory
- RHSA-2012:1210 vendor-advisory
- SUSE-SU-2012:1167 vendor-advisory
- 55313 vdb-entry
- SUSE-SU-2012:1157 vendor-advisory
- openSUSE-SU-2012:1065 vendor-advisory
- http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf
- oval:org.mitre.oval:def:16060 vdb-entry signature