CVE-2026-47021
Published:July 21, 2026
Updated:August 04, 2026
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). 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. 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 partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. 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 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).
Affected Packages
https://github.com/openjdk/jdk25u.git (GITHUB):
Affected version(s) >=jdk-25.0.1-ga <jdk-25.0.4-gaFix Suggestion:
Update to version jdk-25.0.4-gahttps://github.com/openjdk/jdk17u.git (GITHUB):
Affected version(s) >=jdk-17.0.1-ga <jdk-17.0.20-gaFix Suggestion:
Update to version jdk-17.0.20-gahttps://github.com/openjdk/jdk21u.git (GITHUB):
Affected version(s) >=jdk-21.0.1-ga <jdk-21.0.12-gaFix Suggestion:
Update to version jdk-21.0.12-gahttps://github.com/openjdk/jdk8u.git (GITHUB):
Affected version(s) >=jdk8u402-ga <jdk8u502-gaFix Suggestion:
Update to version jdk8u502-gahttps://github.com/openjdk/jdk11u.git (GITHUB):
Affected version(s) >=jdk-11.0.2-ga <jdk-11.0.32-gaFix Suggestion:
Update to version jdk-11.0.32-gaRelated Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Uncontrolled Resource Consumption
EPSS
Base Score:
0.30