A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
{ "binaries": [ { "binary_name": "patch", "binary_version": "2.7.5-1ubuntu0.16.04.2" } ] }
{ "binaries": [ { "binary_name": "patch", "binary_version": "2.7.6-2ubuntu1.1" } ] }
{ "binaries": [ { "binary_name": "patch", "binary_version": "2.7.6-6" } ] }
{ "binaries": [ { "binary_name": "patch", "binary_version": "2.7.6-7build2" } ] }
{ "binaries": [ { "binary_name": "patch", "binary_version": "2.7.6-7build3" } ] }
{ "binaries": [ { "binary_name": "patch", "binary_version": "2.8-2" } ] }
{ "binaries": [ { "binary_name": "patch", "binary_version": "2.7.1-4ubuntu2.4+esm1" } ] }