CVE-2018-12019
CVSS v3
7.5
HIGH
EPSS Score
2.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2018-06-13
Frequently asked questions
What is CVE-2018-12019?
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.
Is CVE-2018-12019 actively exploited?
Active exploitation of CVE-2018-12019 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-12019?
CVE-2018-12019 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-12019 affecting your environment?
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