The browser engine in Mozilla Firefox 3 before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) nsEventStateManager::GetContentState and nsNativeTheme::CheckBooleanAttr; (2) UnhookTextRunFromFrames and ClearAllTextRunReferences; (3) nsTextFrame::ClearTextRun; (4) IsPercentageAware; (5) PL_DHashTableFinish; (6) nsListBoxBodyFrame::GetNextItemBox; (7) AtomTableClearEntry, related to the atom table, DOM mutation events, and Unicode surrogates; (8) nsHTMLEditor::HideResizers; and (9) nsWindow::SetCursor, related to changing the cursor; and other vectors.
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00657.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00574.html
https://rhn.redhat.com/errata/RHSA-2009-1095.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9501
https://bugzilla.mozilla.org/show_bug.cgi?id=490425
http://www.vupen.com/english/advisories/2009/2152
http://www.vupen.com/english/advisories/2009/1572
http://www.ubuntu.com/usn/usn-782-1
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.454275
http://www.securitytracker.com/id?1022397
http://www.securityfocus.com/bid/35370
http://www.securityfocus.com/bid/35326
http://www.redhat.com/support/errata/RHSA-2009-1126.html
http://www.redhat.com/support/errata/RHSA-2009-1125.html
http://www.mozilla.org/security/announce/2009/mfsa2009-24.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:141
http://www.debian.org/security/2009/dsa-1830
http://www.debian.org/security/2009/dsa-1820
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020800.1-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-265068-1
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.425408
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.372468
http://securitytracker.com/id?1022376
http://secunia.com/advisories/35602
http://secunia.com/advisories/35561
http://secunia.com/advisories/35536
http://secunia.com/advisories/35468
http://secunia.com/advisories/35440
http://secunia.com/advisories/35439
http://secunia.com/advisories/35431
http://secunia.com/advisories/35428
http://secunia.com/advisories/35415
http://secunia.com/advisories/35331