CVE-2018-2796: Medium severity Oracle JDK vulnerability
It was discovered that the implementation of the PriorityBlockingQueue class in the Concurrency component of OpenJDK did not limit the amount of memory allocated when creating object instance from a serialized form. A specially-crafted input could cause a Java application to use an excessive amount of memory when deserialized.
Other sources
Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: Concurrency). Supported versions that are affected are Java SE: 7u171, 8u162 and 10; Java SE Embedded: 8u161; JRockit: R28.3.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, JRockit. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded, JRockit. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2018-2796?
The severity of CVE-2018-2796 is medium with a score of 5.3.
What is affected by CVE-2018-2796?
Java SE versions 7u171, 8u162, and 10; Java SE Embedded version 8u161; and JRockit version R28.3.17 are affected by CVE-2018-2796.
Is CVE-2018-2796 easily exploitable?
Yes, CVE-2018-2796 is easily exploitable.
How can I fix CVE-2018-2796?
Update your Java SE, Java SE Embedded, or JRockit to the recommended versions to fix CVE-2018-2796.
Where can I find more information about CVE-2018-2796?
You can find more information about CVE-2018-2796 on the Oracle website and security advisory links provided.