RHSA-2026:36717MediumCVSS 6.8

Red Hat Security Advisory: opencryptoki security update

Published
July 8, 2026
Last Modified
August 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-40253 →

📋 Description

CVE-2026-40253 — openCryptoki: openCryptoki: Information disclosure and Denial of Service via malformed BER-encoded cryptographic objects

🎯 Affected products90

  • Red Hat CodeReady Linux Builder EUS (v.9.6)
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-0:3.24.0-5.el9_6.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-0:3.24.0-5.el9_6.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-0:3.24.0-5.el9_6.2.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-0:3.24.0-5.el9_6.2.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-0:3.24.0-5.el9_6.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-ccatok-0:3.24.0-5.el9_6.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-ccatok-0:3.24.0-5.el9_6.2.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-ccatok-0:3.24.0-5.el9_6.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-ccatok-debuginfo-0:3.24.0-5.el9_6.2.ppc64le as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-ccatok-debuginfo-0:3.24.0-5.el9_6.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-ccatok-debuginfo-0:3.24.0-5.el9_6.2.s390x as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-ccatok-debuginfo-0:3.24.0-5.el9_6.2.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-ccatok-debuginfo-0:3.24.0-5.el9_6.2.x86_64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-ccatok-debuginfo-0:3.24.0-5.el9_6.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.aarch64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.i686 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.i686 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.ppc64le as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.s390x as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.x86_64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-debuginfo-0:3.24.0-5.el9_6.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-debugsource-0:3.24.0-5.el9_6.2.aarch64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-debugsource-0:3.24.0-5.el9_6.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • opencryptoki-debugsource-0:3.24.0-5.el9_6.2.i686 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • opencryptoki-debugsource-0:3.24.0-5.el9_6.2.i686 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • +60 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (4)