CVE-2018-15586

Name: CVE-2018-15586
Creator: NVD / NIST
Published: 2019-02-11T17:29:00.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.44%

Last modified Jun 17, 2026

CVE-2018-15586 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.44%

69.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Enigmail	Enigmail	< 2.0.6

References

http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Apr/38Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/30/4Mailing List, Third Party Advisory
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
https://sourceforge.net/p/enigmail/bugs/849/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Apr/38Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/30/4Mailing List, Third Party Advisory
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
https://sourceforge.net/p/enigmail/bugs/849/Exploit, Third Party Advisory

Timeline

Published: Feb 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-15586?

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.

How severe is CVE-2018-15586?

Severity scoring for CVE-2018-15586 is pending analysis. The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2018-15586?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-15586?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST