All vulnerabilities
CVE-2026-94282

Out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion

x.org libXi
Open in ThreatlineRecord JSON
CVSS
5.6Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.13%Chance of exploitation activity in the next 30 days, higher than 2% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.8.4Fixed versionCVE List
Published28 Sep 2026Updated 30 Sep 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

An out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion in libXi before 1.8.4 could be used by malicious X server to crash an attached X client.

Text from CVE List

Affected versions 1

  • libXiaffected: all versions before 1.8.4CVE List

References 1