What is RHSA-2026:0931?

RHSA-2026:0931 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: java-1.8.0-openjdk security update

Which CVE IDs does RHSA-2026:0931 cover?

RHSA-2026:0931 covers the following CVE IDs: CVE-2026-21925, CVE-2026-21933, CVE-2026-21945. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:0931?

RHSA-2026:0931 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

Which products are affected by RHSA-2026:0931?

RHSA-2026:0931 affects 45 products, including: Red Hat Enterprise Linux Server (v. 7 ELS); Red Hat Enterprise Linux Server Optional (v. 7 ELS); java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS); java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS); java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS); and others — see the full list on the advisory page.

RHSA-2026:0931HighCVSS 7.5

Red Hat Security Advisory: java-1.8.0-openjdk security update

Vendor

Red Hat Product Security

Published

January 26, 2026

Last Modified

July 30, 2026

🔗 CVE IDs covered (3)

CVE-2026-21925 →CVE-2026-21933 →CVE-2026-21945 →

📋 Description

CVE-2026-21925 — openjdk: Improve JMX connections (Oracle CPU 2026-01) CVE-2026-21933 — openjdk: Improve HttpServer Request handling (Oracle CPU 2026-01) CVE-2026-21945 — openjdk: Enhance Certificate Checking (Oracle CPU 2026-01)

🎯 Affected products45

Red Hat Enterprise Linux Server (v. 7 ELS)
Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-accessibility-1:1.8.0.482.b08-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-debuginfo-1:1.8.0.482.b08-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-demo-1:1.8.0.482.b08-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
java-1.8.0-openjdk-devel-1:1.8.0.482.b08-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
+15 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

🔗 CVE IDs covered (3)

📋 Description

🎯 Affected products45

✅ Remediation

🔗 References (6)