This update for patch fixes the following issues: Security issues fixed: - CVE-2019-13636: Fixed follow symlinks unless --follow-symlinks is given. This increases the security against malicious patches . - CVE-2018-6952: Fixed swapping fakelines in pch_swap. This bug was causing a double free leading to a crash . Bugfixes: - Abort when cleaning up fails. This bug could cause an infinite loop when a patch wouldn"t apply, leading to a segmentation fault . - Pass the correct stat to backup files. This bug would occasionally cause backup files to be missing when all hunks failed to apply .