USN-5192-2: Apache Log4j 2 vulnerability
17 December 2021
Apache Log4j 2 could be made to crash or run programs as an administrator if it received a specially crafted input.
- apache-log4j2 - Apache Log4j - Logging Framework for Java
USN-5192-1 fixed a vulnerability in Apache Log4j 2. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run
programs via a special crafted input. An attacker could use this vulnerability
to cause a denial of service or possibly execute arbitrary code.