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Advisory severityMedium5.9Red Hat Linux

Medium [CVE-2026-46968] Enhance TLS certificate handling (Oracle CPU 2026-07)

This medium-severity Red Hat Linux advisory covers CVE-2026-46968 affecting OPENJDK ELS 11.0.32, Red Hat Build of OpenJDK 17.0.20, Red Hat Build of OpenJDK 21.0.12.

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

CVE-2026-46968 Source published Source updated

VulniPulse record published Record updated

CVE-2026-46968
Affected products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

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Summary

Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18.

Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data.

Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.9 (Integrity impacts).

CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N). A flaw was found in OpenJDK.

When a server has wantClientAuth and the client sends a no_certificate alert, any client certificates are not verified. Red Hat severity: Moderate — CVSS 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

Weakness: CWE-295.

Affected products named by the advisory: OPENJDK ELS 11.0.32; Red Hat Build of OpenJDK 17.0.20; Red Hat Build of OpenJDK 21.0.12; Red Hat Build of OpenJDK 25.0.4; and 21 more.

Affected versions
  • 11.0.31
  • 17.0.19
  • 21.0.11
  • 25.0.3
  • 26.0.1

Official advisory · high-confidence parse· fetched 18 days ago·verify at source

Fixed versions
  • java-11-openjdk-portable
  • java-11-openjdk-windows
  • java-17-openjdk-portable
  • java-17-openjdk-windows
  • java-21-openjdk-portable
  • java-21-openjdk-windows
  • java-25-openjdk-portable
  • java-1.8.0-openjdk-portable
  • java-1.8.0-openjdk-windows
  • java-21-openjdk-1:21.0.12.0.8-1.2.el10_2
  • java-25-openjdk-1:25.0.4.0.7-1.1.el10_2
  • java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-2.el10_2
  • java-21-openjdk-1:21.0.12.0.8-1.1.el10_2
  • java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-1.el10_0
  • java-1.8.0-openjdk-1:1.8.0.502.b07-1.1.el7_9
  • java-1.8.0-openjdk-1:1.8.0.502.b07-1.1.el8
  • java-17-openjdk-1:17.0.20.0.8-1.1.el8
  • java-21-openjdk-1:21.0.12.0.8-1.1.el8
  • java-1.8.0-ibm-1:1.8.0.8.70-1.el8_10
  • java-1.8.0-openjdk-1:1.8.0.502.b07-1.2.el9
  • java-17-openjdk-1:17.0.20.0.8-1.2.el9
  • java-21-openjdk-1:21.0.12.0.8-1.2.el9
  • java-25-openjdk-1:25.0.4.0.7-1.1.el9
  • java-1.8.0-openjdk-1:1.8.0.502.b07-1.1.el9
  • java-17-openjdk-1:17.0.20.0.8-1.1.el9
  • java-21-openjdk-1:21.0.12.0.8-1.1.el9
  • java-11-openjdk-1:11.0.32.0.9-1.el7_9
  • java-11-openjdk-1:11.0.32.0.9-1.el8
  • java-11-openjdk-1:11.0.32.0.9-1.el9
  • java-25-openjdk-windows
  • java-25-openjdk-portable-main-25.0.4.0.7-2.0.2.hum1
  • java-21-openjdk-portable-main-21.0.12.0.8-0.1.hum1
  • java-21-openjdk-main-21.0.12.0.8-0.1.hum1
  • java-25-openjdk-main-25.0.4.0.7-1.1.1.hum1
  • RHSA-2026:42881
  • RHSA-2026:42882
  • RHSA-2026:42889
  • RHSA-2026:42893
  • RHSA-2026:42897
  • RHSA-2026:42898
  • RHSA-2026:42900
  • RHSA-2026:42878
  • RHSA-2026:42879
  • RHSA-2026:42895
  • RHSA-2026:42899
  • RHSA-2026:52948
  • RHSA-2026:42876
  • RHSA-2026:42877
  • RHSA-2026:42887
  • RHSA-2026:52949

Official advisory · high-confidence parse· fetched 18 days ago·verify at source

Mitigation

Upgrade to a fixed release: java-11-openjdk-portable, java-11-openjdk-windows, java-17-openjdk-portable, java-17-openjdk-windows, java-21-openjdk-portable, java-21-openjdk-windows. 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 18 days ago·verify at source

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