RHSA-2026:36697: Moderate: opencryptoki security update

Published Jul 8, 2026
·
Updated

Moderate: opencryptoki security update

Other sources

The opencryptoki packages contain version 2.11 of the PKCS#11 API, implemented for IBM Cryptocards, such as IBM 4764 and 4765 crypto cards. These packages includes support for the IBM 4758 Cryptographic CoProcessor (with the PKCS#11 firmware loaded), the IBM eServer Cryptographic Accelerator (FC 4960 on IBM eServer System p), the IBM Crypto Express2 (FC 0863 or FC 0870 on IBM System z), and the IBM CP Assist for Cryptographic Function (FC 3863 on IBM System z). The opencryptoki packages also bring a software token implementation that can be used without any cryptographic hardware. These packages contain the Slot Daemon (pkcsslotd) and general utilities.Security Fix(es): openCryptoki: openCryptoki: Information disclosure and Denial of Service via malformed BER-encoded cryptographic objects (CVE-2026-40253) 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

62 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder 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 IBM z Systems - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
redhat/opencryptoki<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ccatok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ccatok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-debugsource<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icsftok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icsftok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-libs<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-libs-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-swtok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-swtok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ccatok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ccatok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-debugsource<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ep11tok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ep11tok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icatok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icatok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icsftok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icsftok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-libs<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-libs-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-swtok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-swtok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ccatok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-ccatok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-debugsource<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icsftok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-icsftok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-libs<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-libs-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-swtok<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-swtok-debuginfo<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-debuginfo<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-debugsource<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-icsftok<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-icsftok-debuginfo<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-libs<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-libs-debuginfo<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-swtok<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-swtok-debuginfo<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa
redhat/opencryptoki-devel<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-devel<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-devel<3.24.0-6.el10_0.2
3.24.0-6.el10_0.2
redhat/opencryptoki-devel<3.24.0-6.el10_0.2.aa
3.24.0-6.el10_0.2.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/opencryptoki to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  2. Upgrade

    Upgrade redhat/opencryptoki-ccatok to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  3. Upgrade

    Upgrade redhat/opencryptoki-ccatok-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  4. Upgrade

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

    Fixed in 3.24.0-6.el10_0.2
  5. Upgrade

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

    Fixed in 3.24.0-6.el10_0.2
  6. Upgrade

    Upgrade redhat/opencryptoki-icsftok to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  7. Upgrade

    Upgrade redhat/opencryptoki-icsftok-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  8. Upgrade

    Upgrade redhat/opencryptoki-libs to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  9. Upgrade

    Upgrade redhat/opencryptoki-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  10. Upgrade

    Upgrade redhat/opencryptoki-swtok to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  11. Upgrade

    Upgrade redhat/opencryptoki-swtok-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  12. Upgrade

    Upgrade redhat/opencryptoki-ep11tok to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  13. Upgrade

    Upgrade redhat/opencryptoki-ep11tok-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  14. Upgrade

    Upgrade redhat/opencryptoki-icatok to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  15. Upgrade

    Upgrade redhat/opencryptoki-icatok-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2
  16. Upgrade

    Upgrade redhat/opencryptoki to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2.aa
  17. Upgrade

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

    Fixed in 3.24.0-6.el10_0.2.aa
  18. Upgrade

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

    Fixed in 3.24.0-6.el10_0.2.aa
  19. Upgrade

    Upgrade redhat/opencryptoki-icsftok to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2.aa
  20. Upgrade

    Upgrade redhat/opencryptoki-icsftok-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2.aa
  21. Upgrade

    Upgrade redhat/opencryptoki-libs to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2.aa
  22. Upgrade

    Upgrade redhat/opencryptoki-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2.aa
  23. Upgrade

    Upgrade redhat/opencryptoki-swtok to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2.aa
  24. Upgrade

    Upgrade redhat/opencryptoki-swtok-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.24.0-6.el10_0.2.aa
  25. Upgrade

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

    Fixed in 3.24.0-6.el10_0.2
  26. Upgrade

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

    Fixed in 3.24.0-6.el10_0.2.aa
  27. Upgrade

    Upgrade opencryptoki to a version that resolves this vulnerability.

    Patch CVE-2026-40253

Event History

Jul 8, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·11:52 AM
Data Sourced
via Red Hat·11:52 AM
Severity

Frequently Asked Questions

1

What is the severity of RHSA-2026:36697?

The severity of RHSA-2026:36697 is classified as medium.

2

What does RHSA-2026:36697 address?

RHSA-2026:36697 addresses a security update for Opencryptoki.

3

How do I fix RHSA-2026:36697?

To fix RHSA-2026:36697, apply the latest updates for your Red Hat systems as recommended.

4

Which systems are affected by RHSA-2026:36697?

RHSA-2026:36697 affects Red Hat Enterprise Linux for multiple architectures, including x86_64, Power, IBM z Systems, and ARM 64.

5

When was RHSA-2026:36697 published?

RHSA-2026:36697 was published on July 8, 2026.

Company

Resources

Contact

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