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Medium ALSA-2026:18599 1 CVE

Moderate: p11-kit security update

Published May 19, 2026 · Updated Oct 29, 2026

Summary

The p11-kit packages provide a mechanism to manage PKCS#11 modules. The p11-kit-trust subpackage includes a PKCS#11 trust module that provides certificate anchors and black lists based on configuration files.

Security Fix(es):

* p11-kit: p11-kit: NULL dereference via C_DeriveKey with specific NULL parameters (CVE-2026-2100)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinuxRelease Notes linked from the References section.

Fixed packages 5

ReleasePackageFixed in
AlmaLinux · 9 p11-kit 0.26.2-1.el9
AlmaLinux · 9 p11-kit-client 0.26.2-1.el9
AlmaLinux · 9 p11-kit-devel 0.26.2-1.el9
AlmaLinux · 9 p11-kit-server 0.26.2-1.el9
AlmaLinux · 9 p11-kit-trust 0.26.2-1.el9

Vulnerabilities 1

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-2100
  • report
    https://bugzilla.redhat.com/2437308
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-18599.html