Description
Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 do not properly restrict setting the home page through the dragging of a URL to the home button, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a javascript: URL that is later interpreted in the about:sessionrestore context.
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+squeeze8 | DSA-2437-1 |
| Debian 6.0 | iceweasel | 3.5.16-13 | DSA-2433-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox +3 | 10.0.3-1.el6_2 | RHSA-2012:0388, RHSA-2012:0387 |
| RHEL 5 | firefox +3 | 10.0.3-1.el5_8 | RHSA-2012:0388, RHSA-2012:0387 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 10.0.3-1.el5_8 | RHSA-2012:0388 |
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-2012:0388 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:0387 Red Hat Security Advisory: firefox security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2433-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2458-1 iceape - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2437-1 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
- http://www.mozilla.org/security/announce/2012/mfsa2012-16.html
- openSUSE-SU-2012:0417 vendor-advisory
- 48402 third-party-advisory
- MDVSA-2012:031 vendor-advisory
- 48624 third-party-advisory
- SUSE-SU-2012:0424 vendor-advisory
- USN-1400-5 vendor-advisory
- 52460 vdb-entry
- 48414 third-party-advisory
- 48359 third-party-advisory
- 48823 third-party-advisory
- USN-1401-1 vendor-advisory
- USN-1400-4 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=723808
- 48629 third-party-advisory
- oval:org.mitre.oval:def:15122 vdb-entry signature
- USN-1400-3 vendor-advisory
- RHSA-2012:0387 vendor-advisory
- 48496 third-party-advisory
- SUSE-SU-2012:0425 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=718203
- https://bugzilla.mozilla.org/show_bug.cgi?id=719994
- USN-1400-2 vendor-advisory
- DSA-2458 vendor-advisory
- 48920 third-party-advisory
- DSA-2433 vendor-advisory
- MDVSA-2012:032 vendor-advisory
- 1026803 vdb-entry
- 48495 third-party-advisory
- 48553 third-party-advisory
- USN-1400-1 vendor-advisory
- 48561 third-party-advisory
- RHSA-2012:0388 vendor-advisory
- 1026801 vdb-entry
- 1026804 vdb-entry
- 48513 third-party-advisory