The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: perl 5.26.1-6ubuntu0.7 Ubuntu 16.04 LTS (Available with Ubuntu Pro): perl 5.22.1-9ubuntu0.9+esm2 Ubuntu 14.04 LTS (Available with Ubuntu Pro): perl 5.18.2-2ubuntu1.7+esm5 In general, a standard system update will make all the necessary changes.
https://ubuntu.com/security/notices/USN-6112-1
CVE-2023-31484
https://launchpad.net/ubuntu/+source/perl/5.26.1-6ubuntu0.7
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