Description
The XPCSafeJSObjectWrapper class in the SafeJSObjectWrapper (aka SJOW) implementation in Mozilla Firefox before 3.5.12, Thunderbird before 3.0.7, and SeaMonkey before 2.0.7 does not properly restrict scripted functions, which allows remote attackers to bypass the Same Origin Policy and conduct cross-site scripting (XSS) attacks via a crafted function.
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-2106-1 |
Advisories 1
- DSA-2106-1 xulrunner - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=585284
- SUSE-SA:2010:049 vendor-advisory
- FEDORA-2010-14362 vendor-advisory
- firefox-sjow-security-bypass(61665) vdb-entry
- oval:org.mitre.oval:def:12114 vdb-entry signature
- ADV-2010-2323 vdb-entry
- http://www.mozilla.org/security/announce/2010/mfsa2010-60.html
- DSA-2106 vendor-advisory