Security researcher firehack used the Address Sanitizer tool to discover a use-after-free in contenteditable mode. This occurs when deleting document object model (DOM) table elements created within the editor and results in a potentially exploitable crash.
Name: the Mozilla project
This issue has been addressed in the following products:
Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 6
Via RHSA-2016:1217 https://access.redhat.com/errata/RHSA-2016:1217