CVE-2019-9153
CVSS v3
7.5
HIGH
EPSS Score
2.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to forge signed messages by replacing its signatures with a "standalone" or "timestamp" signature.
Technical details
- Published
- 2019-08-22
Frequently asked questions
What is CVE-2019-9153?
Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to forge signed messages by replacing its signatures with a "standalone" or "timestamp" signature.
Is CVE-2019-9153 actively exploited?
Active exploitation of CVE-2019-9153 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-9153?
CVE-2019-9153 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2019-9153 affecting your environment?
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