CVE-2023-32643: Gnome Glib

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Gnome Glib: before 2.75.1 (fixed in 2.75.1)

Published 2023-09-14. Last modified 2026-06-17.