Product · X.Org

libXtst

2 known vulnerabilities.

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High 7.1

CVE-2026-94286

Out-of-bounds read in libXtst's RECORD reply parser

An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.

X.Org libXtst libxtst libxtst Debian Ubuntu Azure Linux Alpine

Sep 28, 2026