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TI-2009-03585 Aliases CVE-2009-3765GHSA-fp73-6h6h-9v4h

mutt_ssl.c in mutt 1.5.19 and 1.5.20, when OpenSSL is used, does not properly handle a…

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
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

mutt_ssl.c in mutt 1.5.19 and 1.5.20, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Why it matters now

EPSS 0.01051 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 3

CPEVersionsRoleVendor
cpe:2.3:a:mutt:mutt:1.5.19:*:*:*:*:*:*:*1.5.19Vulnerablemutt
cpe:2.3:a:mutt:mutt:1.5.20:*:*:*:*:*:*:*1.5.20Vulnerablemutt
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*all versionsRunning onOpenSSL
  • cpe:2.3:a:mutt:mutt:1.5.19:*:*:*:*:*:*:* Versions 1.5.19 Vulnerable ·mutt
  • cpe:2.3:a:mutt:mutt:1.5.20:*:*:*:*:*:*:* Versions 1.5.20 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's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-3765
  2. 2026-10-03 Alias added: GHSA-fp73-6h6h-9v4h

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