A flaw was found in GLib. GVariant deserialization is vulnerable to a slowdown issue where a crafted GVariant can cause excessive processing, leading to denial of service.
https://security.netapp.com/advisory/ntap-20231027-0005/
https://security.gentoo.org/glsa/202311-18
https://lists.debian.org/debian-lts-announce/2023/09/msg00030.html
https://gitlab.gnome.org/GNOME/glib/-/issues/2797