CVE-2023-32643

Publication date 7 June 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
glib2.0	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Fixed 2.74.3-0ubuntu1.2
	22.04 LTS jammy	Fixed 2.72.4-0ubuntu2.2
	20.04 LTS focal	Fixed 2.64.6-1~ubuntu20.04.6
	18.04 LTS bionic	Fixed 2.56.4-0ubuntu0.18.04.9+esm3 Ubuntu Pro
	16.04 LTS xenial	Fixed 2.48.2-0ubuntu4.8+esm3 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.40.2-0ubuntu1.1+esm6 Ubuntu Pro

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Notes

mdeslaur

same fixes as CVE-2023-32636

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
glib2.0	Upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3163 Upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3164

Severity score breakdown

Parameter	Value
Base score	7.8 · High
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