Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12
https://www.debian.org/security/2023/dsa-5494
https://lists.debian.org/debian-lts-announce/2023/09/msg00021.html
https://gitlab.com/muttmua/mutt/-/commit/a4752eb0ae0a521eec02e59e51ae5daedf74fda0.patch
https://gitlab.com/muttmua/mutt/-/commit/452ee330e094bfc7c9a68555e5152b1826534555.patch