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TI-2011-01252 Aliases CVE-2011-1429GHSA-h64v-56v4-2q6j

Mutt does not verify that the smtps server hostname matches the domain name of the…

Priority LOW 29CWE-20Published · 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 · None
Fix status
Fixed

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

Summary

Mutt does not verify that the smtps server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL SMTP server via an arbitrary certificate, a different vulnerability than CVE-2009-3766.

Why it matters now

EPSS 0.01475 73rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*all versionsVulnerablemutt
  • cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·mutt

Remediation

Red Hat 1 advisory

  • RHSA-2011:0959 Released 2011-07-19 · Red Hat rating Moderate
    mutt security update
    • Red Hat Enterprise Linux Server (v. 6) mutt-5:1.5.20-2.20091214hg736b6a.el6_1.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0959
Not affected: 2 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1429
  2. 2026-10-03 Alias added: GHSA-h64v-56v4-2q6j

References

Patch 1

Advisory 5

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences