A AegiFlow
MEDIUMCVSS 6.8

CVE-2009-3766

CVE-2009-3766 updated by NVD

Modified
2026-09-20
Sources
nvd

Summary

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.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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