CVE-2026-21945

Updated: 2026-02-05 11:21:39.508632

Description:

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability 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. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x NONE 0.0
CVSS Version 3.x HIGH 7.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU java-17-openjdk 17.0.9.0.9 7.5 HIGH Needs Triage 2026-01-27 14:57:37
AlmaLinux 9.2 ESU java-1.8.0-openjdk 1.8.0 7.5 HIGH Needs Triage 2026-01-27 14:57:28
CentOS 7 ELS java-1.8.0-openjdk 1.8.0 7.5 HIGH In Rollout CLSA-2026:1770119166 2026-02-03 15:38:28
CentOS 8.4 ELS java-1.8.0-openjdk 1.8.0 7.5 HIGH Released CLSA-2026:1770310535 2026-02-06 09:15:10
CentOS 8.5 ELS java-1.8.0-openjdk 1.8.0 7.5 HIGH Released CLSA-2026:1770310846 2026-02-06 09:15:08
CentOS Stream 8 ELS java-1.8.0-openjdk 1.8.0 7.5 HIGH Released CLSA-2026:1770310264 2026-02-06 09:15:13
CloudLinux 7 ELS java-1.8.0-openjdk 1.8.0 7.5 HIGH In Rollout CLSA-2026:1770645827 2026-02-09 20:32:25
Oracle Linux 7 ELS java-1.8.0-openjdk 1.8.0 7.5 HIGH Released CLSA-2026:1770117675 2026-02-03 15:38:31
RHEL 7 ELS java-1.8.0-openjdk 1.8.0 7.5 HIGH Released CLSA-2026:1770118623 2026-02-03 15:38:29
TuxCare 9.6 ESU java-21-openjdk 21.0.9.0.10 7.5 HIGH In Progress 2026-02-09 20:16:41
Total: 15