CVE-2018-15588 json
MailMate before 1.11.3 mishandles a suspicious HTML/MIME structure in a signed/encrypted email.
published 2019-02-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7462
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
MailMate before 1.11.3 mishandles a suspicious HTML/MIME structure in a signed/encrypted email.
Patch / fix
- freron mailmate 1.11.3
Exploit prediction
2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
updates.mailmate-app.com
/release_notes
release-notes, vendor-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-2018-15588
- NVD CVE-2018-15588
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