ALSA-2026:91223: Important: libXtst security update
Published Oct 27, 2026
·Updated
X.Org X11 libXtst runtime library
Security 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
2 affected componentsFixes available
almalinux/libxtst<1.2.3-16.el9_8.1
1.2.3-16.el9_8.1
almalinux/libxtst-devel<1.2.3-16.el9_8.1
1.2.3-16.el9_8.1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
almalinux/libXtstto a version that resolves this vulnerability.Fixed in 1.2.3-16.el9_8.1 - Upgrade
Upgrade
almalinux/libXtst-develto a version that resolves this vulnerability.Fixed in 1.2.3-16.el9_8.1
Event History
Oct 27, 2026
Advisory Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionAffected Software
Frequently Asked Questions
1
Which AlmaLinux packages are covered by this update?
The update covers the almalinux/libxtst runtime library package and the almalinux/libxtst-devel development package.