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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-12019
- 2026-10-03 Alias added: GHSA-fc79-j7vw-6xjg
References
Advisory 4
More Enigmail vulnerabilities
- 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
Sources
- CVE-2018-12019 · CVE Program
- CVE-2018-12019 · NVD
- FIRST EPSS
- GHSA-fc79-j7vw-6xjg · GitHub Advisory Database · CC BY 4.0
- CVE-2018-12019 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences