CVE-2023-21939: Medium severity Oracle GraalVM vulnerability
An HTML validation flaw was found in the Swing component of OpenJDK. A specially crafted HTML document could cause a Swing Java application to misbehave leading to integrity problems.
Other sources
Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Swing). Supported versions that are affected are Oracle Java SE: 8u361, 8u361-perf, 11.0.18, 17.0.6, 20; Oracle GraalVM Enterprise Edition: 20.3.9, 21.3.5 and 22.3.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. 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 can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-21939.
What is the affected software?
The affected software includes Oracle Java SE versions 8u361, 8u361-perf, 11.0.18, 17.0.6, and 20; Oracle GraalVM Enterprise Edition versions 20.3.9, 21.3.5, and 22.3.1.
What is the severity of CVE-2023-21939?
The severity of CVE-2023-21939 is medium with a CVSS score of 5.3.
How can I fix the vulnerability?
To fix the vulnerability, update to the latest versions of Oracle Java SE or Oracle GraalVM Enterprise Edition as mentioned in the references.
Where can I find more information about CVE-2023-21939?
You can find more information about CVE-2023-21939 in the references provided.