CVSS v3
9.1
CRITICAL
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
atob 2.0.3 and earlier allocates uninitialized Buffers when number is passed in input on Node.js 4.x and below.
Technical details
- Published
- 2018-05-29
Frequently asked questions
What is CVE-2018-3745?
atob 2.0.3 and earlier allocates uninitialized Buffers when number is passed in input on Node.js 4.x and below.
Is CVE-2018-3745 actively exploited?
Active exploitation of CVE-2018-3745 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-3745?
CVE-2018-3745 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2018-3745 affecting your environment?
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