- fix-swapping-fake-lines-in-pch_swap.patch: Fix swapping fake
lines in pch_swap. This bug was causing a double free leading to
a crash (boo#1080985 CVE-2018-6952).
- abort-when-cleaning-up-fails.patch: Abort when cleaning up fails.
This bug could cause an infinite loop when a patch wouldn't
apply, leading to a segmentation fault (boo#1111572).
- dont-follow-symlinks-unless-asked.patch: Don't follow symlinks
unless --follow-symlinks is given. This increases the security
against malicious patches (boo#1142041 CVE-2019-13636).
- pass-the-correct-stat-to-backup-files.patch: Pass the correct
stat to backup files. This bug would occasionally cause backup
files to be missing when all hunks failed to apply (boo#1198106).