CVE-2023-32643

HighCVSS 7.8/10Last modified Oct 15, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122 CWE-787

Affected software

Vendor	Product	Versions
glib	glib	—
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5

References

https://gitlab.gnome.org/GNOME/glib/-/issues/2840Issue Tracking, Vendor Advisory
https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835Broken Link
https://security.netapp.com/advisory/ntap-20240426-0005/
https://gitlab.gnome.org/GNOME/glib/-/issues/2840Issue Tracking, Vendor Advisory
https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835Broken Link
https://security.netapp.com/advisory/ntap-20240426-0005/
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Timeline

Published: Sep 14, 2023
Last modified: Oct 15, 2026
NVD status: Modified

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