CVE-2026-93542

A flaw was found in libXi. An out-of-bounds read vulnerability occurs during the parsing of X Input Extension (XI2) device class data. A malicious X server can exploit this vulnerability by sending specially crafted class responses to a connected client application. This causes the client to read beyond memory boundaries and crash, resulting in a Denial of Service (DoS).

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.