Description
Mozilla Firefox 4.x through 6, Thunderbird before 7.0, and SeaMonkey before 2.4 do not prevent manual add-on installation in response to the holding of the Enter key, which allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site that triggers an unspecified internal error.
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.
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 |
Advisories 2
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 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
- MDVSA-2011:139 vendor-advisory
- 46315 third-party-advisory
- oval:org.mitre.oval:def:14442 vdb-entry signature
- http://www.mozilla.org/security/announce/2011/mfsa2011-40.html
- MDVSA-2011:141 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=672485
- MDVSA-2011:142 vendor-advisory
- SUSE-SU-2011:1256 vendor-advisory
- openSUSE-SU-2011:1076 vendor-advisory
- MDVSA-2011:140 vendor-advisory