CVE-2026-33263 | Open-Xchange Dovecot Pro/Dovecot CE Submission-Login mail_max_userip_connections denial of service (Nessus ID 341526 / WID-SEC-2026-3076)

A vulnerability, which was classified as problematic, was found in Open-Xchange Dovecot Pro and Dovecot CE. This issue affects some unknown processing of the component Submission-Login. Executing a manipulation of the argument mail_max_userip_connections can lead to denial of service. The identification of this vulnerability is CVE-2026-33263. The...