CVE-2023-32643

Published: 7 June 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.

Notes

Author	Note
mdeslaur	same fixes as CVE-2023-32636

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
glib2.0 Launchpad, Ubuntu, Debian	xenial	Needs triage
	bionic	Needs triage
	trusty	Needs triage
	focal	Released (2.64.6-1~ubuntu20.04.6)
	jammy	Released (2.72.4-0ubuntu2.2)
	kinetic	Released (2.74.3-0ubuntu1.2)
	lunar	Not vulnerable (2.76.1-1)
	upstream	Released (2.75.1,2.74.4)
	Patches: upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3163 upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3164 (2.74)

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Bugs

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