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TI-2009-03586 Aliases CVE-2009-3766GHSA-92jw-w2rc-xwxg

mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does…

Priority LOW 32CWE-310Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

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.

Why it matters now

EPSS 0.01148 66th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*1.5.16 to before 1.5.19Vulnerablemutt
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*all versionsRunning onOpenSSL
  • cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:* Versions 1.5.16 to before 1.5.19 Vulnerable ·mutt
  • cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* Versions all versions Running on ·OpenSSL

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 4AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-3766
  2. 2026-10-03 Alias added: GHSA-92jw-w2rc-xwxg

References

  • TI-2018-10297 An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. CVSS 3.1CRITICAL 9.8
  • TI-2018-10300 An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. CVSS 3.1CRITICAL 9.8
  • TI-2018-10293 An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. CVSS 3.1CRITICAL 9.8
  • TI-2018-10302 An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. CVSS 3.1CRITICAL 9.8
  • TI-2018-10301 An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. CVSS 3.1CRITICAL 9.8
  • TI-2018-10295 An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. CVSS 3.1CRITICAL 9.8
See all 44 →

Sources