If WHMCS tells you to upgrade your server's version of cURL to prevent security issues, do not be alarmed.

cURL 7.35.0 is the most recent and secure version for Ubuntu 14.04.

cURL 7.47.0 is the most recent and secure version for Ubuntu 16.04.

Like most Linux distributions, Ubuntu backports security patches so that software like cURL can stay secure without breaking other software by changing the version.

You can find the latest version number of cURL for Ubuntu 14.04 here:
https://launchpad.net/ubuntu/trusty/+source/curl/+changelog.

and for Ubuntu 16.04 here:
https://launchpad.net/ubuntu/xenial/+source/curl/+changelog.

Do not attempt to replace cURL on your server with any other version. If you do, SellCloud will not be able to provide support for any breakage this may cause.

Alert: For Control Panel Help & Tutorials, click here: Panel Tutorials
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