RHSA-2026:93451: Important: libXtst security update
Published Nov 2, 2026
·Updated
X.Org X11 libXtst runtime librarySecurity Fix(es): libXtst: libXtst: Denial of Service via out-of-bounds read in RECORD reply parser (CVE-2026-94286) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
0 affected components
Event History
Nov 2, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Frequently Asked Questions
1
What impact can this flaw have on an affected system?
The issue is a denial of service caused by an out-of-bounds read in the libXtst RECORD reply parser. The provided information does not describe impacts beyond denial of service.
2
Which component should be checked for this issue?
Check systems that use the X.Org X11 libXtst runtime library. The affected code is the RECORD reply parser within libXtst.
3
What is the recommended remediation?
Apply the security update identified by RHSA-2026:93451. The advisory classifies the update as Important.