RHSA-2026:49667: Moderate: p11-kit security update

Published Aug 3, 2026
·
Updated

Moderate: p11-kit security update

Other sources

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: Stack exhaustion via unbounded recursion in RPC attribute parsing (CVE-2026-13757) 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.

— Red Hat

Affected Software

56 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
redhat/p11-kit<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-client<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-client-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-client-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-debugsource<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-debugsource<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-devel<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-devel<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-server<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-server-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-server-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-trust<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-trust<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-trust-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-trust-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-client<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-server<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-client<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-client-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-debugsource<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-devel<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-server<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-server-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-trust<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit-trust-debuginfo<0.26.4-1.el9_8
0.26.4-1.el9_8
redhat/p11-kit<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-client<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-client-debuginfo<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-debuginfo<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-debugsource<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-devel<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-server<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-server-debuginfo<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-trust<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa
redhat/p11-kit-trust-debuginfo<0.26.4-1.el9_8.aa
0.26.4-1.el9_8.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/p11-kit to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  2. Upgrade

    Upgrade redhat/p11-kit-client to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  3. Upgrade

    Upgrade redhat/p11-kit-client-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  4. Upgrade

    Upgrade redhat/p11-kit-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  5. Upgrade

    Upgrade redhat/p11-kit-debugsource to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  6. Upgrade

    Upgrade redhat/p11-kit-devel to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  7. Upgrade

    Upgrade redhat/p11-kit-server to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  8. Upgrade

    Upgrade redhat/p11-kit-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  9. Upgrade

    Upgrade redhat/p11-kit-trust to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  10. Upgrade

    Upgrade redhat/p11-kit-trust-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8
  11. Upgrade

    Upgrade redhat/p11-kit to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  12. Upgrade

    Upgrade redhat/p11-kit-client to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  13. Upgrade

    Upgrade redhat/p11-kit-client-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  14. Upgrade

    Upgrade redhat/p11-kit-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  15. Upgrade

    Upgrade redhat/p11-kit-debugsource to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  16. Upgrade

    Upgrade redhat/p11-kit-devel to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  17. Upgrade

    Upgrade redhat/p11-kit-server to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  18. Upgrade

    Upgrade redhat/p11-kit-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  19. Upgrade

    Upgrade redhat/p11-kit-trust to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  20. Upgrade

    Upgrade redhat/p11-kit-trust-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.26.4-1.el9_8.aa
  21. Compensating control

    Apply the p11-kit security update (including p11-kit-trust) to address CVE-2026-13757: stack exhaustion via unbounded recursion in RPC attribute parsing.

Event History

Aug 3, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·11:53 AM
Data Sourced
via Red Hat·11:53 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:49667?

The severity of RHSA-2026:49667 is classified as medium with a score of 4.

2

What are the main vulnerabilities addressed in RHSA-2026:49667?

RHSA-2026:49667 addresses stack exhaustion via unbounded resource usage in the p11-kit packages.

3

How do I fix RHSA-2026:49667?

To fix RHSA-2026:49667, you should update the p11-kit packages to the latest version provided by Red Hat.

4

Which packages are affected by RHSA-2026:49667?

The affected packages in RHSA-2026:49667 include redhat/p11-kit and its related client and server packages.

5

Who should be concerned about RHSA-2026:49667?

System administrators using Red Hat products that include the p11-kit package should be concerned about RHSA-2026:49667.

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