Description
Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.
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 | 2.0.11-7 | DSA-2295-1 |
| Debian 6.0 | icedove | 3.0.11-1+squeeze4 | DSA-2297-1 |
| Debian 6.0 | iceweasel | 3.5.16-9 | DSA-2296-1 |
| Debian 5.0 | xulrunner | 1.9.0.19-13 | DSA-2296-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox | 3.6.20-2.el6_1 | RHSA-2011:1164 |
| RHEL 6 | xulrunner +1 | 1.9.2.20-2.el6_1 | RHSA-2011:1164 |
| RHEL 5 | firefox | 3.6.20-2.el5 | RHSA-2011:1164 |
| RHEL 5 | thunderbird | 2.0.0.24-21.el5 | RHSA-2011:1165 |
| RHEL 5 | xulrunner +1 | 1.9.2.20-2.el5 | RHSA-2011:1164 |
| RHEL 4 | firefox | 3.6.20-2.el4 | RHSA-2011:1164 |
| RHEL 4 | seamonkey +5 | 1.0.9-72.el4 | RHSA-2011:1167 |
| RHEL 4 | thunderbird | 1.5.0.12-40.el4 | RHSA-2011:1165 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-21.el5 | RHSA-2011:1165 |
Advisories 6
- RHSA-2011:1167 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:1165 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:1164 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2297-1 icedove - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2295-1 iceape - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2296-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDVSA-2011:127 vendor-advisory
- http://www.mozilla.org/security/announce/2011/mfsa2011-30.html
- DSA-2297 vendor-advisory
- SUSE-SU-2011:0967 vendor-advisory
- DSA-2296 vendor-advisory
- 1025940 vdb-entry
- SUSE-SA:2011:037 vendor-advisory
- RHSA-2011:1164 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=626297
- RHSA-2011:1165 vendor-advisory
- DSA-2295 vendor-advisory
- oval:org.mitre.oval:def:14272 vdb-entry signature
- RHSA-2011:1167 vendor-advisory