ALSA-2026:91268: Moderate: libXi security update

Q: Which AlmaLinux packages should be checked for this update?

The advisory lists the almalinux/libxi runtime package and the almalinux/libxi-devel development package. Systems with either package installed should review the applicable security update.

Q: What is the impact of the reported flaw?

The issue is an out-of-bounds read in the XI2 class parser in libXi that can cause a denial of service. The advisory does not provide exploitation prerequisites, affected versions, or temporary mitigations.

Published Oct 27, 2026

Updated

X.Org X11 libXi runtime library

Security Fix(es):

libXi: libXi: Denial of Service via out-of-bounds read in XI2 class parser (CVE-2026-93543)

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/libxi<1.7.10-2.el8_10

1.7.10-2.el8_10

almalinux/libxi-devel<1.7.10-2.el8_10

1.7.10-2.el8_10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade almalinux/libXi to a version that resolves this vulnerability.
Fixed in 1.7.10-2.el8_10
Upgrade
Upgrade almalinux/libXi-devel to a version that resolves this vulnerability.
Fixed in 1.7.10-2.el8_10

Event History

Oct 27, 2026

Advisory Published

via OSV·12:00 AM

Data Sourced

via OSV·12:00 AM

DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2026-93543

Frequently Asked Questions

Which AlmaLinux packages should be checked for this update?

The advisory lists the almalinux/libxi runtime package and the almalinux/libxi-devel development package. Systems with either package installed should review the applicable security update.

What is the impact of the reported flaw?

The issue is an out-of-bounds read in the XI2 class parser in libXi that can cause a denial of service. The advisory does not provide exploitation prerequisites, affected versions, or temporary mitigations.

ALSA-2026:91268: Moderate: libXi security update

Affected Software

Remediation

Event History

Child vulnerabilities

Frequently Asked Questions

Which AlmaLinux packages should be checked for this update?

What is the impact of the reported flaw?

Company

Resources

Contact

Frequently Asked Questions

Which AlmaLinux packages should be checked for this update?

What is the impact of the reported flaw?