Skip to main content
CRITICAL

CVE-2018-3745

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?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key