cPanel contains a flaw in the Addon Domain or Subdomain features that may allow a local denial of service. The issue is triggered when a DocumentRoot for a new addon is misinterpreted by Apache as an httpd.conf directive. This may allow a local attacker to corrupt the httpd.conf file and restart the web server.
Local Access Required
Loss of Availability
It has been reported that this issue has been fixed. Upgrade to version 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 184.108.40.206, or higher, to address this vulnerability.
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