Description
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context-menu restrictions for data: URLs as for javascript: URLs, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted 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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | iceweasel | 3.5.16-17 | DSA-2514-1 |
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 4
- RHSA-2012:1088 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2514-1 iceweasel - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 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
- 49992 third-party-advisory
- DSA-2514 vendor-advisory
- 1027256 vdb-entry
- RHSA-2012:1088 vendor-advisory
- USN-1509-2 vendor-advisory
- oval:org.mitre.oval:def:17037 vdb-entry signature
- 49979 third-party-advisory
- SUSE-SU-2012:0895 vendor-advisory
- 84009 vdb-entry
- http://www.mozilla.org/security/announce/2012/mfsa2012-46.html
- 49965 third-party-advisory
- 54577 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=734076
- 49964 third-party-advisory
- SUSE-SU-2012:0896 vendor-advisory
- openSUSE-SU-2012:0899 vendor-advisory
- USN-1509-1 vendor-advisory
- 49972 third-party-advisory