CVE-2026-93544

Public on 2026-09-24
Modified on 2026-09-25
Description
An out-of-bounds read in libXi's XI2 XIQueryDevice reply parsing in libXi before 1.8.4 can be used by a malicious X server to crash an attached X client.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core libXi Pending Fix
Amazon Linux 2023 libXi Pending Fix
Amazon Linux 2027 Preview libXi Pending Fix
Amazon Linux 2 - Core libXinerama Not Affected
Amazon Linux 2023 libXinerama Not Affected
Amazon Linux 2027 Preview libXinerama Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-93544 Mitre: CVE-2026-93544