CVE-2018-15586 json
Enigmail before 2.0.6 is prone to to OpenPGP signatures being spoofed for arbitrary messages using a PGP/INLINE signature wrapped within a…
published 2019-02-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7460
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
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.
Patch / fix
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- sourceforge.net https://sourceforge.net/p/enigmail/bugs/849/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-347 Improper Verification of Cryptographic Signature
References
-
sourceforge.net
/p/enigmail/bugs/849/
exploit, third-party-advisory
-
openwall.com
/lists/oss-security/2019/04/30/4
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2019/Apr/38
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/152703/Johnny-You-Are-Fired.html
third-party-advisory, vdb-entry
- github.com /RUB-NDS/Johnny-You-Are-Fired
- github.com /RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
Sources
- CVE List CVE-2018-15586
- NVD CVE-2018-15586
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.