USN-5197-1: Apache Log4j 2 vulnerability

15 December 2021

Apache Log4j 2 could be made to crash if it received specially crafted input.

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Releases

It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was
incomplete in certain non-default configurations. An attacker could use this
vulnerability to cause a denial of service.
Please see the following link for more information:
https://wiki.sne.bianheman.eu.org/SecurityTeam/KnowledgeBase/Log4Shell

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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

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

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.