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TI-2018-11117 Aliases CVE-2018-15586GHSA-wf4h-8hc9-6ccv

Enigmail before 2.0.6 is prone to to OpenPGP signatures being spoofed for arbitrary…

Priority LOW 32CWE-347Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-347.

Summary

Enigmail before 2.0.6 is prone to to OpenPGP signatures being spoofed for arbitrary messages using a PGP/INLINE signature wrapped within a specially crafted multipart HTML email.

Why it matters now

EPSS 0.0144 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:*before 2.0.6VulnerableEnigmail
  • cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:* Versions before 2.0.6 Vulnerable ·Enigmail

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-15586
  2. 2026-10-03 Alias added: GHSA-wf4h-8hc9-6ccv

References

Exploit 1

Advisory 3

Other 2

  • TI-2006-05660 The enigmail extension before 0.94.2 does not properly handle large, encrypted file… CVSS 2.0HIGH 7.8
  • TI-2018-08613 The signature verification routine in Enigmail before 2.0.7 interprets user ids as… CVSS 3.0HIGH 7.5
  • TI-2017-13081 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.5
  • TI-2017-13079 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.5
  • TI-2019-09155 Enigmail before 2.0.11 allows PGP signature spoofing: for an inline PGP message, an… CVSS 3.0HIGH 7.5
  • TI-2017-13080 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.5
See all 13 →

Sources

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