Vulnerability record · CVE-2009-2462 · published 22 July 2009

CVE-2009-2462: Mozilla firefox vulnerability

Mozilla · Firefox

The browser 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) the frame chain and synchronous events, (2) a SetMayHaveFrame assertion and nsCSSFrameConstructor::CreateFloatingLetterFrame, (3) nsCSSFrameConstructor::ConstructFrame, (4) the child list and initial reflow, (5) GetLastSpecialSibling, (6) nsFrameManager::GetPrimaryFrameFor and MathML, (7) nsFrame::GetBoxAscent, (8) nsCSSFrameConstructor::AdjustParentFrame, (9) nsDOMOfflineResourceList, and (10) nsContentUtils::ComparePosition.

10.0 CVSS 2.0 High EPSS 5.4% · top 7.6% CWE-399 · CWE-399

10.0CVSS 2.0 base score

5.4%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

62References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Firefox Mozilla

Thunderbird Mozilla

References

Link	Tags
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	Vendor Advisory
http://secunia.com/advisories/35943	Vendor Advisory
http://secunia.com/advisories/35944	Vendor Advisory
http://secunia.com/advisories/35947	Vendor Advisory
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
http://www.mozilla.org/security/announce/2009/mfsa2009-34.html	PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2010-0153.html
http://www.redhat.com/support/errata/RHSA-2010-0154.html
http://www.securityfocus.com/bid/35758	Patch
http://www.vupen.com/english/advisories/2009/1972	PatchVendor Advisory
http://www.vupen.com/english/advisories/2009/2152
http://www.vupen.com/english/advisories/2010/0650
https://bugzilla.mozilla.org/show_bug.cgi?id=413085
https://bugzilla.mozilla.org/show_bug.cgi?id=442227
https://bugzilla.mozilla.org/show_bug.cgi?id=445177
https://bugzilla.mozilla.org/show_bug.cgi?id=461861
https://bugzilla.mozilla.org/show_bug.cgi?id=463350
https://bugzilla.mozilla.org/show_bug.cgi?id=466763
https://bugzilla.mozilla.org/show_bug.cgi?id=468211
https://bugzilla.mozilla.org/show_bug.cgi?id=472668
https://bugzilla.mozilla.org/show_bug.cgi?id=472950
https://bugzilla.mozilla.org/show_bug.cgi?id=491134
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10906
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01032.html
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	Vendor Advisory
http://secunia.com/advisories/35943	Vendor Advisory
http://secunia.com/advisories/35944	Vendor Advisory
http://secunia.com/advisories/35947	Vendor Advisory
http://secunia.com/advisories/36005

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-2462), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.