CVE-2023-32636

Publication date 7 June 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. 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-2023-29499.

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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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	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2023-32636

Cvss 3 Severity Score

Status

Get expanded security coverage with Ubuntu Pro

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references