Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0211.
https://security.gentoo.org/glsa/202305-16
https://huntr.dev/bounties/0a9bd71e-66b8-4eb1-9566-7dfd9b097e59
https://github.com/vim/vim/commit/d1d8f6bacb489036d0fd479c9dd3c0102c988889