The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: libruby3.0 3.0.4-7ubuntu0.1 ruby3.0 3.0.4-7ubuntu0.1 Ubuntu 22.04 LTS: libruby3.0 3.0.2-7ubuntu2.3 ruby3.0 3.0.2-7ubuntu2.3 Ubuntu 18.04 LTS: libruby2.5 2.5.1-1ubuntu1.13 ruby2.5 2.5.1-1ubuntu1.13 In general, a standard system update will make all the necessary changes.
https://ubuntu.com/security/notices/USN-5806-2
https://ubuntu.com/security/notices/USN-5806-1
CVE-2021-33621
https://launchpad.net/ubuntu/+source/ruby3.0/3.0.4-7ubuntu0.1 https://launchpad.net/ubuntu/+source/ruby3.0/3.0.2-7ubuntu2.3 https://launchpad.net/ubuntu/+source/ruby2.5/2.5.1-1ubuntu1.13
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