USN-4866-1: Netty vulnerabilities

Publication date

29 June 2021

Overview

Several security issues were fixed in Netty.

Releases


Packages

  • netty - Java NIO client/server socket framework

Details

It was discovered that Netty incorrectly implements HTTP/2. An attacker
could possibly use this issue to cause a denial of service. (CVE-2019-9512,
CVE-2019-9514, CVE-2019-9515, CVE-2019-9518)

It was discovered that Netty incorrectly implements HTTP/2. An attacker
could possibly use this issue to cause a denial of service. (CVE-2019-9512,
CVE-2019-9514, CVE-2019-9515, CVE-2019-9518)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libnetty-java –  1:4.1.7-4ubuntu0.1+esm1  

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