CVE-2026-47088

A flaw was found in Cyrus IMAP Internet Message Access Protocol daemon, cyrus-imapd. An authenticated IMAP user could exploit a heap exposure vulnerability during nested Multipurpose Internet Mail Extensions MIME comment parsing. By crafting an email message with a specially formed RFC 822 commen...

UBUNTU-CVE-2026-47088

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is heap exposure in nested MIME comment parsing. An authenticated IMAP user could craft an email message containing an RFC 822 comment ending with a backslash. When parsing the message, the server would read past the...