CVE-2026-47088

LOW SEVERITY

CVSS Score & Metrics

Base Score

3.1 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

July 16, 2026

Last Modified

July 16, 2026

CWE ID

CWE-126

Source

NVD

Vendor

cyrusimap

Product

Cyrus IMAP

External References

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

CVE-2026-47088

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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