CVE-2009-1390

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-06-16 · updated 2026-06-16
Weakness: CWE-287

Description

Mutt 1.5.19, when linked against (1) OpenSSL (mutt_ssl.c) or (2) GnuTLS (mutt_ssl_gnutls.c), allows connections when only one TLS certificate in the chain is accepted instead of verifying the entire chain, which allows remote attackers to spoof trusted servers via a man-in-the-middle attack.

Affected products

mutt: 1.5.19

References

http://dev.mutt.org/hg/mutt/rev/64bf199c8d8a
http://dev.mutt.org/hg/mutt/rev/8f11dd00c770
http://www.openwall.com/lists/oss-security/2009/06/10/2
http://www.securityfocus.com/bid/35288
https://exchange.xforce.ibmcloud.com/vulnerabilities/51068
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00715.html
http://dev.mutt.org/hg/mutt/rev/64bf199c8d8a
http://dev.mutt.org/hg/mutt/rev/8f11dd00c770
http://www.openwall.com/lists/oss-security/2009/06/10/2
http://www.securityfocus.com/bid/35288
https://exchange.xforce.ibmcloud.com/vulnerabilities/51068
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00715.html

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