GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952. Reference: https://savannah.gnu.org/bugs/index.php?56683
Created patch tracking bugs for this issue: Affects: fedora-all [bug 1818938]