EUVD-2026-45004

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an XAPPLEPUSHSERVICE folder existence oracle and push hijack. An authenticated IMAP user could probe for the existence of arbitrary mailboxes on other users' accounts via the XAPPLEPUSHSERVICE command and then create...

Code injection

Chip Salzenberg Deliver does not properly associate a lockfile with the user who created the file, which allows local users to cause a denial of service blockage of incoming e-mail by creating lockfiles for arbitrary mailboxes...