A NULL pointer dereference flaw was found in the way patch processed patch files. An attacker could potentially use this flaw to crash patch by tricking it into processing crafted patches (CVE-2018-6951).
A double-free flaw was found in the way the patch utility processed patch files. An attacker could potentially use this flaw to crash the patch utility by tricking it into processing crafted patches (CVE-2018-6952).