Description
Buffer overflow in Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, on Windows allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long string that triggers construction of a long text run.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox | 3.6.14-4.el6_0 | RHSA-2011:0310 |
| RHEL 6 | xulrunner +1 | 1.9.2.14-3.el6_0 | RHSA-2011:0310 |
| RHEL 5 | firefox | 3.6.14-4.el5_6 | RHSA-2011:0310 |
| RHEL 5 | xulrunner +1 | 1.9.2.14-4.el5_6 | RHSA-2011:0310 |
| RHEL 4 | firefox | 3.6.14-4.el4 | RHSA-2011:0310 |
Advisories 1
- RHSA-2011:0310 Red Hat Security Advisory: firefox security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026