VULNERABILITY INTELLIGENCE

CVE-2026-93542

CVSS score6.5 MEDIUM

EPSS probability0.26%

CISA KEVNot currently listed

Published2026-09-24

Last modified2026-09-24

Description

An out-of-bounds read in libXi's XI2 class parsing via size_classes() and copy_classes() in libXi before 1.8.4 could be used by malicous servers to crash the X client.