CVE-2009-2466

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-07-22 · updated 2026-06-16
Weakness: CWE-787

Description

The JavaScript engine in Mozilla Firefox before 3.0.12 and Thunderbird allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) nsDOMClassInfo.cpp, (2) JS_HashTableRawLookup, and (3) MirrorWrappedNativeParent and js_LockGCThingRT.

Affected products

Mozilla Firefox: before 3.0.12 — fixed in 3.0.12
Mozilla Thunderbird: through 3.0.11

How to fix

Upgrade to a fixed version: Mozilla Firefox 3.0.12. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00002.html
http://rhn.redhat.com/errata/RHSA-2009-1162.html
http://rhn.redhat.com/errata/RHSA-2009-1163.html
http://secunia.com/advisories/35914
http://secunia.com/advisories/35943
http://secunia.com/advisories/35944
http://secunia.com/advisories/35947
http://secunia.com/advisories/36005
http://secunia.com/advisories/36145
http://sunsolve.sun.com/search/document.do?assetkey=1-26-265068-1
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020800.1-1

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