Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0220.
https://security.gentoo.org/glsa/202305-16
https://huntr.dev/bounties/389aeccd-deb9-49ae-9b6a-24c12d79b02e
https://github.com/vim/vim/commit/f6d39c31d2177549a986d170e192d8351bd571e2