CVE-2023-32665

Publication date 7 June 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.

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-2023-24593

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/3125 Upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3126

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H