CVE-2026-45130

Vim: Heap buffer overflow in read_compound() (src/spellfile.c) prior to 9.2.0450 when loading a crafted, UTF-8 spell file (.spl). An attacker-controlled length in the spell file’s compound section overflows a 32-bit signed multiplication, causing a small heap buffer to be allocated for a write lo...

NULL Pointer Dereference in function sug_filltree

Description NULL Pointer Dereference in function sugfilltree at vim/src/spellfile.c:5600. vim version git log commit 4875d6ab068f09df88d24d81de40dcd8d56e243d grafted, HEAD - master, tag: v9.0.0224, origin/master, origin/HEAD Proof of Concept ./vim -u NONE -X -Z -e -s -S /home/fuzz/test/poc2null.d...