USN-5203-1: Apache Log4j 2 vulnerability
19 December 2021
Apache Log4j 2 could be made to crash if it received specially crafted input.
- apache-log4j2 - Apache Log4j - Logging Framework for Java
Hideki Okamoto and Guy Lederfein discovered that Apache Log4j 2 did not
protect against infinite recursion in lookup evaluation. A remote attacker
could possibly use this issue to cause Apache Log4j 2 to crash, leading to
a denial of service.
Please see the following link for more information:
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.
- USN-5222-1: apache-log4j2, liblog4j2-java, liblog4j2-java-doc