Bug 2242253 (CVE-2023-43786)

Summary:	CVE-2023-43786 libX11: stack exhaustion from infinite recursion in PutSubImage()
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libX11 1.8.7	Doc Type:	---
Doc Text:	A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2243050
Bug Blocks:	2240180

Description Dhananjay Arunesh 2023-10-05 07:19:06 UTC

A vulnerability was found in libX11 where the vulnerability exists due to infinite loop within the PutSubImage() function, a local user can consume all available system resources and cause denial of service conditions.

Comment 2 Sandipan Roy 2023-10-10 12:04:56 UTC

Created libX11 tracking bugs for this issue:

Affects: fedora-all [bug 2243050]

Comment 4 errata-xmlrpc 2024-04-30 09:39:33 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2145 https://access.redhat.com/errata/RHSA-2024:2145

Comment 5 errata-xmlrpc 2024-05-22 09:24:23 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:2973 https://access.redhat.com/errata/RHSA-2024:2973