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USN-4495-1: Apache Log4j vulnerability

15 September 2020

Apache Log4j could be made to remotely execute arbitrary code if it received specially crafted log data.

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Releases

Packages

Details

It was discovered that Apache Log4j does not properly deserialize
untrusted data. An attacker could possibly use this issue to remotely
execute arbitrary code. (CVE-2019-17571)

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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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04

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

References

Related notices

  • USN-5998-1: liblog4j1.2-java-doc, apache-log4j1.2, liblog4j1.2-java

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Further reading