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Ubuntu 22.04 LTS USN-6994-1 Moderate: Netty Denial of Service

ubuntu
Calendar Grey September 9, 2024
Scroller Ubuntu
Ubuntu Security Notice USN-6995-1 concerns vulnerabilities in OpenSSL, resolving certificate verification flaws and potential man-in-the-middle risks.
Several security issues were fixed in Netty.

Summary

Several security issues were fixed in Netty.

Software Description:

- netty: Java NIO client/server socket framework

Details:

It was discovered that Netty did not properly sanitize its input

parameters. A remote attacker could possibly use this issue to cause a

crash. (CVE-2023-34462)

It was discovered that Netty incorrectly handled request cancellation. A

remote attacker could possibly use this issue to cause Netty to consume

resources, leading to a denial of service. (CVE-2023-44487)

Update Instructions

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

Ubuntu 22.04 LTS
  libnetty-java                   1:4.1.48-4+deb11u2build0.22.04.1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6994-1

CVE-2023-34462, CVE-2023-44487

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6994-1

Package Information

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