The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: check-mk-livestatus 1.2.8p16-1ubuntu0.2 check-mk-multisite 1.2.8p16-1ubuntu0.2 check-mk-server 1.2.8p16-1ubuntu0.2 In general, a standard system update will make all the necessary changes.
https://ubuntu.com/security/notices/USN-5527-1
CVE-2017-14955, CVE-2017-9781, CVE-2021-36563, CVE-2021-40906,
CVE-2022-24565
https://launchpad.net/ubuntu/+source/check-mk/1.2.8p16-1ubuntu0.2
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