LibTIFF 4.0.8 has multiple memory leak vulnerabilities, which allow attackers to cause a denial of service (memory consumption), as demonstrated by tif_open.c, tif_lzw.c, and tif_aux.c. NOTE: Third parties were unable to reproduce the issue
http://www.securityfocus.com/bid/101696
http://www.openwall.com/lists/oss-security/2017/11/01/8
http://www.openwall.com/lists/oss-security/2017/11/01/7
http://www.openwall.com/lists/oss-security/2017/11/01/3
http://www.openwall.com/lists/oss-security/2017/11/01/11
http://seclists.org/fulldisclosure/2018/Dec/47
http://seclists.org/fulldisclosure/2018/Dec/32
http://packetstormsecurity.com/files/150896/LibTIFF-4.0.8-Memory-Leak.html
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00036.html