Use-after-free vulnerability in the DOM implementation in Google Chrome before 28.0.1500.95 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to improper tracking of which document owns an Attr object.
googlechromereleases.blogspot.com/2013/07/stable-channel-update_30.html
www.debian.org/security/2013/dsa-2732
code.google.com/p/chromium/issues/detail?id=248950
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17597
src.chromium.org/viewvc/blink?revision=152938&view=revision