Medium [CVE-2026-70907] Enhance TLS server (2026-08 Security Update)
This medium-severity Red Hat Linux advisory covers CVE-2026-70907 affecting Red Hat Build of OpenJDK 17.0.20.1, Red Hat Build of OpenJDK 21.0.12.1, Red Hat Build of OpenJDK 25.0.4.1.
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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 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Affected Red Hat products: Red Hat Build of OpenJDK 17.0.20.1; Red Hat Build of OpenJDK 21.0.12.1; Red Hat Build of OpenJDK 25.0.4.1; Red Hat Build of OpenJDK 8u504; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat OpenJDK 11 els for RHEL 7; Red Hat OpenJDK 11 els for RHEL 8; Red Hat OpenJDK 11 els for RHEL 9; Red Hat Hardened Images; Exploit Intelligence; Red Hat build of OpenJDK 11 ELS; Red Hat build of OpenJDK 25; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.
- 11.0.32
- 17.0.20
- 21.0.12
- 25.0.4
- 26.0.2
Official advisory · high-confidence parse· fetched 52 minutes ago·verify at source
- 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-1:21.0.12.1.1-1.2.el10
- java-25-openjdk-1:25.0.4.1.1-1.1.el10
- java-21-openjdk-1:21.0.12.1.1-1.1.el10
- java-1.8.0-openjdk-1:1.8.0.504.b01-1.1.el7_9
- java-21-openjdk-1:21.0.12.1.1-1.1.el8
- java-21-openjdk-1:21.0.12.1.1-1.2.el9
- java-25-openjdk-1:25.0.4.1.1-1.1.el9
- java-21-openjdk-1:21.0.12.1.1-1.1.el9
- java-11-openjdk-1:11.0.32.1.1-1.el7_9
- java-11-openjdk-1:11.0.32.1.1-1.el8
- java-11-openjdk-1:11.0.32.1.1-1.el9
- java-21-openjdk-portable-main-21.0.12.1.1-0.1.hum1
- java-25-openjdk-portable-main-25.0.4.1.1-0.1.hum1
- RHSA-2026:55782
- RHSA-2026:55783
- RHSA-2026:55788
- RHSA-2026:55789
- RHSA-2026:55799
- RHSA-2026:55776
- RHSA-2026:55777
- RHSA-2026:55787
- RHSA-2026:55798
- RHSA-2026:55774
- RHSA-2026:55778
- RHSA-2026:57175
- RHSA-2026:57177
Official advisory · high-confidence parse· fetched 52 minutes ago·verify at source
Mitigation
Upgrade to a fixed release: 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. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 52 minutes ago·verify at source
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