CVE-2026-47088
LOW
NVD
CVSS Score
3.1
Severity
LOW
Published
Jul 16, 2026
Vendor
unknown
Description
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 message's end in memory, and read into the heap, returning the read content to the user.