An Invalid memory write flaw was found in libtiff in the way it parsed certain extension tags when reading TIFF format files. An attacker could use this flaw to crash or even execute arbitrary code with the permission of the user running such an application compiled against libtiff. Reference: http://seclists.org/bugtraq/2015/Dec/137
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2016:1547 https://rhn.redhat.com/errata/RHSA-2016-1547.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2016:1546 https://rhn.redhat.com/errata/RHSA-2016-1546.html
*** Bug 1410063 has been marked as a duplicate of this bug. ***