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: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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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.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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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]