Mozilla community member Daniel Glazman of Disruptive Innovations reported a crash when accessing a keyframe's cssText after dynamic modification. This crash may be potentially exploitable. Reference: http://www.mozilla.org/security/announce/2012/mfsa2012-17.html
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Via RHSA-2012:0388 https://rhn.redhat.com/errata/RHSA-2012-0388.html
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Via RHSA-2012:0387 https://rhn.redhat.com/errata/RHSA-2012-0387.html