Bug 2540596 (CVE-2026-93541)

Summary: CVE-2026-93541 libXi: Out-of-bounds read in libXi's XQueryDeviceState()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in libXi. An out-of-bounds read vulnerability in the XQueryDeviceState() function allows a malicious X server to trigger an application crash. By returning a specially crafted response to a device state query, the server causes the client application to read memory beyond allocated buffer boundaries, resulting in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2540971    
Bug Blocks:    

Description OSIDB Bzimport 2026-09-24 17:31:52 UTC
An out-of-bounds read in libXi's XQueryDeviceState() in libXi before 1.8.4 could be used by a