CVE-2021-35561: Medium severity oracle graalvm enterprise edition vulnerability
A flaw was found in the way the HashMap and the HashSet classes implementations in the Utility component of OpenJDK validated the load factor value during deserialization. A specially crafted serialized data stream could cause a Java application to allocate an excessive amount of memory and possibly terminate on out-of-memory condition when deserialized.
Other sources
Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Utility). Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition. 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 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 Software
Remediation
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-35561.
What is the severity level of CVE-2021-35561?
The severity level of CVE-2021-35561 is medium, with a severity value of 5.3.
Which products are affected by CVE-2021-35561?
The Java SE Oracle GraalVM Enterprise Edition product of Oracle Java SE is affected by CVE-2021-35561.
How can I fix CVE-2021-35561?
To fix CVE-2021-35561, it is recommended to update to the patched versions provided by Oracle or Red Hat.
Where can I find more information about CVE-2021-35561?
You can find more information about CVE-2021-35561 on the Oracle and Red Hat security advisory pages.