WebKitGTK+ is vulnerable to denial of service (DoS). The attack is possible because it do not properly support the Ruby language, which allows attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vector.
code.google.com/p/chromium/issues/detail?id=51654
googlechromereleases.blogspot.com/2010/08/stable-channel-update_19.html
secunia.com/advisories/43086
www.mandriva.com/security/advisories?name=MDVSA-2011:039
www.redhat.com/support/errata/RHSA-2011-0177.html
www.vupen.com/english/advisories/2011/0216
www.vupen.com/english/advisories/2011/0552
access.redhat.com/errata/RHSA-2011:0177
access.redhat.com/security/updates/classification/#moderate
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12107