Out-of-bounds Write in GitHub repository vim/vim prior to 9.0.1145.
http://seclists.org/fulldisclosure/2023/Mar/17
https://github.com/vim/vim/commit/3ac1d97a1d9353490493d30088256360435f7731
https://huntr.dev/bounties/b289ee0f-fd16-4147-bd01-c6289c45e49d
https://lists.debian.org/debian-lts-announce/2023/06/msg00015.html