CVE-2026-47088

Published: Jul 16, 2026Modified: Jul 17, 2026Deferred

3.1

Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitability: 1.6 / Impact: 1.4

Source: MITRE (Secondary)

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.

Related CWEs

CWE-126

Buffer Over-read

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

References (2)

https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html

Source: cve@mitre.org

https://www.cyrusimap.org/imap/download/release-notes/index.html

Source: cve@mitre.org

Timeline

No history available yet.