CVE-2021-35588: Input Validation
A flaw was found in the way the ClassFileParser class implementation in the Hotspot component of OpenJDK performed validation of inner class index values. A specially-crafted class file could cause a Java virtual machine to crash when loaded.
Other sources
An unspecified vulnerability in Java SE related to the VM component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
— IBM
Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Java SE: 7u311, 8u301; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, 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 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 3.1 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L).
Affected Software
Remediation
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the severity of CVE-2021-35588?
The severity of CVE-2021-35588 is low (3.1).
What is the affected software for CVE-2021-35588?
The affected software for CVE-2021-35588 includes Java SE 7u311, 8u301, Oracle GraalVM Enterprise Edition 20.3.3 and 21.2.0.
How do I fix CVE-2021-35588?
To fix CVE-2021-35588, update to the following versions: Java SE 1.8.0-openjdk-1:1.8.0.312.b07-1.el7_9, Java SE 1.8.0-openjdk-1:1.8.0.312.b07-1.el8_4, Oracle GraalVM Enterprise Edition 20.3.3 and 21.2.0.
Is there a patch available for CVE-2021-35588?
Yes, there are patches available. Please refer to the references for more information.
What is the Common Weakness Enumeration (CWE) for CVE-2021-35588?
The Common Weakness Enumeration (CWE) for CVE-2021-35588 is CWE-20.