Description
Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 allows user-assisted remote attackers to inject arbitrary web script or HTML via a selection that is added to a document in which the designMode property is enabled.
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 5.0 | xulrunner | 1.9.0.19-4 | DSA-2124-1, DSA-2106-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | firefox | 3.6.9-2.el5 | RHSA-2010:0681 |
| RHEL 5 | nspr +1 | 4.8.6-1.el5 | RHSA-2010:0681 |
| RHEL 5 | nss +3 | 3.12.7-2.el5 | RHSA-2010:0681 |
| RHEL 5 | xulrunner +1 | 1.9.2.9-1.el5 | RHSA-2010:0681 |
| RHEL 4 | firefox | 3.6.9-1.el4 | RHSA-2010:0681 |
| RHEL 4 | nspr +1 | 4.8.6-1.el4 | RHSA-2010:0681 |
| RHEL 4 | nss +2 | 3.12.7-1.el4 | RHSA-2010:0681 |
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 6
- RHSA-2010:0681 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2124-1 xulrunner - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2106-1 xulrunner - several vulnerabilities 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/2010/mfsa2010-62.html
- SUSE-SA:2010:049 vendor-advisory
- http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox
- FEDORA-2010-14362 vendor-advisory
- http://support.avaya.com/css/P8/documents/100112690
- 43106 vdb-entry
- 42867 third-party-advisory
- ADV-2011-0061 vdb-entry
- MDVSA-2010:173 vendor-advisory
- oval:org.mitre.oval:def:12192 vdb-entry signature
- ADV-2010-2323 vdb-entry
- DSA-2106 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=520189