tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width. Reported as MSVR 35103, aka "cpStripToTile heap-buffer-overflow."
http://rhn.redhat.com/errata/RHSA-2017-0225.html
http://www.debian.org/security/2017/dsa-3762
http://www.securityfocus.com/bid/94484
http://www.securityfocus.com/bid/94747
https://github.com/vadz/libtiff/commit/5ad9d8016fbb60109302d558f7edb2cb2a3bb8e3
Source: MITRE
Published: 2016-11-22
Updated: 2018-01-05
Type: CWE-119
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL