CVE-2021-45261: An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.
Possibly fixed by https://git.savannah.gnu.org/cgit/patch.git/commit/?id=15b158db3ae11cb835f2eb8d2eb48e09d1a4af48.
Still triggers an ASAN crash for me