cPanel has released new builds for all public update tiers. These updates provide targeted changes to address security concerns with the cPanel & WHM product. These builds are currently available to all customers via the standard update system.
cPanel has rated these updates as having CVSSv2 scores ranging from 2.1 to 10.0.
If your deployed cPanel & WHM servers are configured to automatically update when new releases are available, then no action is required. Your systems will update automatically. If you have disabled automatic updates, then we strongly encourage you to update your cPanel & WHM installations at your earliest convenience.
The following cPanel & WHM versions address all known vulnerabilities:
- 220.127.116.11 & Greater
- 18.104.22.168 & Greater
- 22.214.171.124 & Greater
- 126.96.36.199 & Greater
Due to the severity of the issues addressed in this release, cPanel is extending the blackout period on additional information to a full week. Additional information is scheduled for release on January 25, 2016.