The browser engine in Mozilla Firefox 3.x before 3.0.9, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.16 allows remote attackers to cause a denial of service (application crash) and possibly trigger memory corruption via vectors related to (1) nsAsyncInstantiateEvent::Run, (2) nsStyleContext::Destroy, (3) nsComputedDOMStyle::GetWidth, (4) the xslt_attributeset_ImportSameName.html test case for the XSLT stylesheet compiler, (5) nsXULDocument::SynchronizeBroadcastListener, (6) IsBindingAncestor, (7) PL_DHashTableOperate and nsEditor::EndUpdateViewBatch, and (8) gfxSkipCharsIterator::SetOffsets, and other vectors.
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00683.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7030
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6170
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6070
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5527
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10106
https://bugzilla.mozilla.org/show_bug.cgi?id=477775
https://bugzilla.mozilla.org/show_bug.cgi?id=462517
https://bugzilla.mozilla.org/show_bug.cgi?id=461053
https://bugzilla.mozilla.org/show_bug.cgi?id=428113
http://www.vupen.com/english/advisories/2009/1125
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.454275
http://www.securitytracker.com/id?1022090
http://www.securityfocus.com/bid/34656
http://www.redhat.com/support/errata/RHSA-2009-0436.html
http://www.mozilla.org/security/announce/2009/mfsa2009-14.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:141
http://www.mandriva.com/security/advisories?name=MDVSA-2009:111
http://www.debian.org/security/2009/dsa-1830
http://www.debian.org/security/2009/dsa-1797
http://sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1
http://secunia.com/advisories/35602
http://secunia.com/advisories/35065
http://secunia.com/advisories/35042
http://secunia.com/advisories/34894
http://secunia.com/advisories/34843
http://secunia.com/advisories/34780
http://secunia.com/advisories/34758
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html