WebKit, as used in Google Chrome before 7.0.517.44, webkitgtk before 1.2.6, and other products, accesses a frame object after this object has been destroyed, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
code.google.com/p/chromium/issues/detail?id=60238
googlechromereleases.blogspot.com/2010/11/stable-channel-update.html
lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.html
secunia.com/advisories/42109
secunia.com/advisories/43086
trac.webkit.org/changeset/70517
www.mandriva.com/security/advisories?name=MDVSA-2011:039
www.redhat.com/support/errata/RHSA-2011-0177.html
www.securityfocus.com/bid/45718
www.vupen.com/english/advisories/2011/0216
www.vupen.com/english/advisories/2011/0552
bugs.webkit.org/show_bug.cgi?id=48281
bugzilla.redhat.com/show_bug.cgi?id=656126
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12174