https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-30T10:38:39.367447+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-27859 CVE-2026-27859 2026-09-30T10:38:39.369480+00:00

Affected: Open-Xchange GmbH OX Dovecot Pro

A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed version where the processing is limited. No publicly available exploits are known.