Heap-based buffer overflow capable of crashing software, modify memory, and possible remote execution. Reference: https://github.com/vim/vim/commit/f7c7c3fad6d2135d558f3b36d0d1a943118aeb5e https://huntr.dev/bounties/238d8650-3beb-4831-a8f7-6f0b597a6fb8
Created vim tracking bugs for this issue: Affects: fedora-all [bug 2102154]