A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-32643
• https://gitlab.gnome.org/GNOME/glib/-/issues/2840
• https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
• https://security.netapp.com/advisory/ntap-20240426-0005