Description
Cross-site scripting (XSS) vulnerability in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allows remote attackers to inject arbitrary web script or HTML via a multibyte character set.
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 | iceape | 2.0.11-11 | DSA-2458-1 |
| Debian 6.0 | icedove | 3.0.11-1+squeeze9 | DSA-2464-1 |
| Debian 6.0 | iceweasel | 3.5.16-14 | DSA-2457-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox +3 | 10.0.4-1.el6_2 | RHSA-2012:0516, RHSA-2012:0515 |
| RHEL 5 | firefox +3 | 10.0.4-1.el5_8 | RHSA-2012:0516, RHSA-2012:0515 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 10.0.4-1.el5_8 | RHSA-2012:0516 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 45.5.1-1.1 | openSUSE-SU-2024:10230-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 8
- RHSA-2012:0515 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:0516 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2457-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2458-1 iceape - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2464-1 icedove - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 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=715319
- 48922 third-party-advisory
- http://www.mozilla.org/security/announce/2012/mfsa2012-24.html
- oval:org.mitre.oval:def:16961 vdb-entry signature
- 49055 third-party-advisory
- DSA-2458 vendor-advisory
- 48920 third-party-advisory
- 53219 vdb-entry
- DSA-2457 vendor-advisory
- DSA-2464 vendor-advisory
- MDVSA-2012:081 vendor-advisory
- 48972 third-party-advisory
- MDVSA-2012:066 vendor-advisory
- 49047 third-party-advisory