Security researcher Abhishek Arya (Inferno) of the Google Chrome Security Team reported an out of bounds write in the Netscape Portable Runtime (NSPR) leading to a potentially exploitable crash or code execution. This issue is fixed in NSPR version 4.10.6.
This NSPR flaw was not exposed to web content in any shipped version of Firefox.
Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Abhishek Arya as the original reporter.
Created nspr tracking bugs for this issue:
Affects: fedora-all [bug 1115783]
This issue has been addressed in following products:
Red Hat Enterprise Linux 6
Via RHSA-2014:0917 https://rhn.redhat.com/errata/RHSA-2014-0917.html
An out-of-bounds write flaw was found in NSPR. A remote attacker could potentially use this flaw to crash an application using NSPR or, possibly, execute arbitrary code with the privileges of the user running that application. This NSPR flaw was not exposed to web content in any shipped version of Firefox.
This issue has been addressed in the following products:
Red Hat Enterprise Linux 5
Via RHSA-2014:1246 https://rhn.redhat.com/errata/RHSA-2014-1246.html
This issue was addressed in Red Hat Enterprise Linux 7 via the following update: