CVE-2023-32643: Out-of-bounds Write

September 14, 2023 (updated September 20, 2023)

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

gitlab.gnome.org/GNOME/glib/-/issues/2840
https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
nvd.nist.gov/vuln/detail/CVE-2023-32643

Code Behaviors & Features

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