USN-5222-1: Apache Log4j 2 vulnerabilities
It was discovered that Apache Log4j 2 was vulnerable to remote code
execution (RCE) attack when configured to use a JDBC Appender with a
JNDI LDAP data source URI. A remote attacker could possibly use this issue to
cause a crash, leading to a denial of service. (CVE-2021-44832)
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. This issue only affected Ubuntu 16.04 ESM.
(CVE-2021-45105)
Source: USN-5222-1: Apache Log4j 2 vulnerabilities