Zimbra Collaboration Suite mailboxd User Enumeration Vulnerability

Zimbra Collaboration Suite ZCS is an open source collaboration suite from Zimbra, Inc. that includes WebMail, Calendar, Address Book, and more. mailboxd is one of the email components. A security vulnerability exists in mailboxd in ZCS versions 8.8 before 8.8.8, 8.7 before 8.7.11.Patch3, and 8.6...