CVE-2026-93543

A flaw was found in libXi. An out-of-bounds read vulnerability in the X Input 2 (XI2) class parser allows a malicious X server to cause a Denial of Service (DoS) by crashing connected client applications. When an application receives and processes specially crafted input from the server, insufficient boundary checking causes the client to read beyond memory limits and terminate unexpectedly.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.