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TI-2018-08613 Aliases CVE-2018-12019GHSA-fc79-j7vw-6xjg

The signature verification routine in Enigmail before 2.0.7 interprets user ids as…

Priority LOW 37CWE-347Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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

The signature verification routine in Enigmail before 2.0.7 interprets user ids as status/control messages and does not correctly keep track of the status of multiple signatures, which allows remote attackers to spoof arbitrary email signatures via public keys containing crafted primary user ids.

Why it matters now

EPSS 0.02059 81st 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 2.0.7VulnerableEnigmail
  • cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:* Versions before 2.0.7 Vulnerable ·Enigmail

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-2018-12019
  2. 2026-10-03 Alias added: GHSA-fc79-j7vw-6xjg

References

  • TI-2006-05660 The enigmail extension before 0.94.2 does not properly handle large, encrypted file… CVSS 2.0HIGH 7.8
  • 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
  • TI-2017-13078 An issue was discovered in Enigmail before 1.9.9. CVSS 3.0HIGH 7.3
See all 13 →

Sources