CVE-2026-21933

Public on 2026-01-20
Modified on 2026-01-22
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core java-1.7.0-openjdk No Fix Planned
Amazon Linux 2 - Corretto8 Extra java-1.8.0-amazon-corretto Pending Fix
Amazon Linux 2023 java-1.8.0-amazon-corretto Pending Fix
Amazon Linux 2 - Core java-1.8.0-openjdk Pending Fix
Amazon Linux 2 - Core java-11-amazon-corretto Pending Fix
Amazon Linux 2023 java-11-amazon-corretto Pending Fix
Amazon Linux 2 - Core java-17-amazon-corretto Pending Fix
Amazon Linux 2023 java-17-amazon-corretto Pending Fix
Amazon Linux 2023 java-21-amazon-corretto Pending Fix
Amazon Linux 2023 java-22-amazon-corretto No Fix Planned
Amazon Linux 2023 java-23-amazon-corretto No Fix Planned
Amazon Linux 2023 java-24-amazon-corretto No Fix Planned
Amazon Linux 2023 java-25-amazon-corretto Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N