mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Advisories
Source ID Title
EUVD EUVD EUVD-2009-3738 mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00431}

epss

{'score': 0.00756}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T06:38:30.251Z

Reserved: 2009-10-23T00:00:00

Link: CVE-2009-3766

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2009-10-23T19:30:00.233

Modified: 2025-04-09T00:30:58.490

Link: CVE-2009-3766

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-08-10T00:00:00Z

Links: CVE-2009-3766 - Bugzilla

cve-icon OpenCVE Enrichment

No data.