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Ubuntu 16.04 ESM: USN-5546-2 Moderate: OpenJDK 8 Denial Of Service

ubuntu
Calendar Grey August 4, 2022
Dist Ubuntu Esm H88
Important security updates for OpenJDK 8 have been issued for Ubuntu, addressing severe vulnerabilities. Users are encouraged to upgrade their installations swiftly
Several security issues were fixed in OpenJDK 8.

Summary

Several security issues were fixed in OpenJDK 8.

Software Description:

- openjdk-8: Open Source Java implementation

Details:

USN-5546-1 fixed vulnerabilities in OpenJDK.

This update provides the corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Neil Madden discovered that OpenJDK did not properly verify ECDSA

signatures. A remote attacker could possibly use this issue to insert,

edit or obtain sensitive information. This issue only affected OpenJDK

17 and OpenJDK 18. (CVE-2022-21449)

It was discovered that OpenJDK incorrectly limited memory when compiling a

specially crafted XPath expression. An attacker could possibly use this

issue to cause a denial of service. This issue was fixed in OpenJDK 8 and

OpenJDK 18. USN-5388-1 and USN-5388-2 addressed this issue in OpenJDK 11

and OpenJDK 17. (CVE-2022-21426)

It was discovered that OpenJDK incorrectly handled converting certain

object arguments into their textual representations. An attacker could

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service code execution ubuntu security issues openjdk

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 ESM:
  openjdk-8-jdk                   8u342-b07-0ubuntu1~16.04
  openjdk-8-jre                   8u342-b07-0ubuntu1~16.04
  openjdk-8-jre-headless          8u342-b07-0ubuntu1~16.04
  openjdk-8-jre-zero              8u342-b07-0ubuntu1~16.04

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any Java
applications or applets to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5546-2

https://ubuntu.com/security/notices/USN-5546-1

CVE-2022-21426, CVE-2022-21434, CVE-2022-21443, CVE-2022-21476,

CVE-2022-21496, CVE-2022-21540, CVE-2022-21541, CVE-2022-34169

August 04, 2022

Topics%20covered

Topics Covered

security advisory denial of service code execution ubuntu security issues openjdk

Package Information

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