Remote Yes

Type Denial of service

Description

A null pointer dereference vulnerability in TIFFFetchNormalTag() occurs when values of tags with TIFF_SETGET_C16_ASCII / TIFF_SETGET_C32_ASCII access are 0-byte arrays leading to denial of service.

AVG-86 lib32-libtiff 4.0.6-2 4.0.7-1 Critical Fixed

AVG-85 libtiff 4.0.6-2 4.0.7-1 Critical Fixed

25 Nov 2016 ASA-201611-27 AVG-86 lib32-libtiff Critical multiple issues

25 Nov 2016 ASA-201611-26 AVG-85 libtiff Critical multiple issues

http://bugzilla.maptools.org/show_bug.cgi?id=2593
http://seclists.org/oss-sec/2016/q4/464