Integer overflow in the wrestool program in icoutils before 0.31.1 allows remote attackers to cause a denial of service (memory corruption) via a crafted executable, which triggers a denial of service (application crash) or the possibility of execution of arbitrary code.
https://security.gentoo.org/glsa/201801-12
https://bugzilla.redhat.com/show_bug.cgi?id=1411251
http://www.securityfocus.com/bid/95315
http://www.openwall.com/lists/oss-security/2017/01/08/5