CVE-2016-6223: libtiff: Out-of-bounds read on memory-mapped files in TIFFReadRawStrip1() and TIFFReadRawTile1()

Severity: Critical

CVSS Score: 9.1

The TIFFReadRawStrip1 and TIFFReadRawTile1 functions in tif_read.c in libtiff before 4.0.7 allows remote attackers to cause a denial of service (crash) or possibly obtain sensitive information via a negative index in a file-content buffer.