heap buffer overflow in get_one_sourceline in GitHub repository vim/vim prior to 8.2.4647.
https://security.gentoo.org/glsa/202305-16
https://security.gentoo.org/glsa/202208-32
https://huntr.dev/bounties/a6f3222d-2472-439d-8881-111138a5694c
https://github.com/vim/vim/commit/2bdad6126778f907c0b98002bfebf0e611a3f5db