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Advisory severityHigh8.1Vendor: CriticalRed Hat Linux

High [CVE-2026-114820] Distrust eMudhra intermediate CA certificates due to security concerns

This high-severity Red Hat Linux advisory covers CVE-2026-114820 affecting Red Hat Build of OpenJDK 17.0.20.1, Red Hat Build of OpenJDK 17.0.21, Red Hat Build of OpenJDK 21.0.12.1.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-114820 Source published Source updated

VulniPulse record published

CVE-2026-114820
Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs.

This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts).

CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N). The certificate authority (CA) store used in OpenJDK and Oracle Java included multiple root CA certificates of authorities, which signed intermediate CA certificates with weak private keys issued by the eMudhra certificate authority.

A man-in-the-middle attacker could use this flaw to issue certificates for arbitrary host names signed by the weak intermediate CA certificates, which would be considered trusted by a TLS/SSL Java client applications and cause such applications to connect to malicious sites.

The non-portable OpenJDK RPM packages in Red Hat Enterprise Linux rely on ca-certificates packages for their default certificate store.

Affected versions
  • 11.0.33.0.2
  • 17.0.21.0.2
  • 21.0.13.0.2
  • 25.0.5.0.2
  • 27.0.1.0.2

Official advisory · high-confidence parse· fetched 7 hours ago·verify at source

Fixed versions
  • java-17-openjdk.win.jdk.x86_64.zip
  • java-17-openjdk.portable.jdk.el.x86_64.tar.xz
  • java-21-openjdk.win.jdk.x86_64.zip
  • java-25-openjdk.portable.jdk.x86_64.tar.xz
  • java-25-openjdk.win.jdk.x86_64.zip
  • RHSA-2026:89916
  • RHSA-2026:88353
  • RHSA-2026:88350
  • RHSA-2026:88351
  • RHSA-2026:88348
  • RHSA-2026:90912

Official advisory · high-confidence parse· fetched 7 hours ago·verify at source

Mitigation

Upgrade to a fixed release: java-17-openjdk.win.jdk.x86_64.zip, java-17-openjdk.portable.jdk.el.x86_64.tar.xz, java-21-openjdk.win.jdk.x86_64.zip, java-25-openjdk.portable.jdk.x86_64.tar.xz, java-25-openjdk.win.jdk.x86_64.zip, RHSA-2026:89916. That is the remediation for this advisory.

The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.

Official advisory · high-confidence parse· fetched 7 hours ago·verify at source

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