Out-of-bounds Read in GitHub repository vim/vim prior to 9.0.
https://security.gentoo.org/glsa/202305-16
https://security.gentoo.org/glsa/202208-32
https://huntr.dev/bounties/fe7681fb-2318-436b-8e65-daf66cd597d8
https://github.com/vim/vim/commit/f12129f1714f7d2301935bb21d896609bdac221c