RHSA-2026:55787MediumCVSS 6.8

Red Hat Security Advisory: java-21-openjdk security update

Published
August 19, 2026
Last Modified
August 19, 2026

🔗 CVE IDs covered (3)

CVE-2026-60589 →CVE-2026-61308 →CVE-2026-70907 →

📋 Description

CVE-2026-60589 — OpenJDK: Improve Resource Resolving (2026-08 Security Update) CVE-2026-61308 — OpenJDK: Enhance HTTP Connections (2026-08 Security Update) CVE-2026-70907 — OpenJDK: Enhance TLS server (2026-08 Security Update)

🎯 Affected products200

  • Red Hat CodeReady Linux Builder EUS (v.9.6)
  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux AppStream (v. 8)
  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • Red Hat Enterprise Linux CRB (v. 8)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el10.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el10.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el10.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el10.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el10.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.src as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.src as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • java-21-openjdk-1:21.0.12.1.1-1.1.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • +170 more not shown

✅ Remediation

Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

🔗 References (3)