Description
The layout engine in Mozilla Firefox 3.x before 3.0.5, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allows remote attackers to cause a denial of service (crash) via vectors that trigger memory corruption, related to the GetXMLEntity and FastAppendChar functions.
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 5 | firefox | 3.0.5-1.el5_2 | RHSA-2008:1036 |
| RHEL 5 | nspr +1 | 4.7.3-2.el5 | RHSA-2008:1036 |
| RHEL 5 | nss +3 | 3.12.2.0-2.el5 | RHSA-2008:1036 |
| RHEL 5 | thunderbird | 2.0.0.19-1.el5_2 | RHSA-2009:0002 |
| RHEL 5 | xulrunner +2 | 1.9.0.5-1.el5_2 | RHSA-2008:1036 |
| RHEL 4 | firefox | 3.0.5-1.el4 | RHSA-2008:1036 |
| RHEL 4 | nspr +1 | 4.7.3-1.el4 | RHSA-2008:1036 |
| RHEL 4 | nss +1 | 3.12.2.0-1.el4 | RHSA-2008:1036 |
| RHEL 4 | seamonkey +5 | 1.0.9-32.el4 | RHSA-2008:1037 |
| RHEL 4 | thunderbird | 1.5.0.12-18.el4 | RHSA-2009:0002 |
| RHEL 3 | seamonkey +9 | 1.0.9-0.29.el3 | RHSA-2008:1037 |
| RHEL 2 | seamonkey +9 | 1.0.9-0.25.el2 | RHSA-2008:1037 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.19-1.el5_2 | RHSA-2009:0002 |
Advisories 3
- RHSA-2008:1036 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2009:0002 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2008:1037 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 32882 vdb-entry
- 33421 third-party-advisory
- RHSA-2008:1036 vendor-advisory
- ADV-2009-0977 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=458679
- MDVSA-2008:245 vendor-advisory
- USN-690-1 vendor-advisory
- 33203 third-party-advisory
- firefox-js-deflatestring-code-execution(47408) vdb-entry
- 33216 third-party-advisory
- 256408 vendor-advisory
- RHSA-2008:1037 vendor-advisory
- http://www.mozilla.org/security/announce/2008/mfsa2008-60.html
- RHSA-2009:0002 vendor-advisory
- 33188 third-party-advisory
- oval:org.mitre.oval:def:10001 vdb-entry signature
- 1021417 vdb-entry
- 33189 third-party-advisory
- 34501 third-party-advisory