The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: libcommons-net-java 3.6-1+deb11u1build0.22.10.1 Ubuntu 22.04 LTS: libcommons-net-java 3.6-1+deb11u1build0.22.04.1 Ubuntu 20.04 LTS: libcommons-net-java 3.6-1+deb11u1build0.20.04.1 Ubuntu 18.04 LTS: libcommons-net-java 3.6-1+deb11u1build0.18.04.1 Ubuntu 16.04 ESM: libcommons-net-java 3.4-2ubuntu2+esm1 In general, a standard system update will make all the necessary changes.
https://ubuntu.com/security/notices/USN-6037-1
CVE-2021-37533
https://launchpad.net/ubuntu/+source/libcommons-net-java/3.6-1+deb11u1build0.22.10.1
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