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CRITICAL

CVE-2021-38187

CVSS v3

9.8

CRITICAL

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in the anymap crate through 0.12.1 for Rust. It violates soundness via conversion of a *u8 to a *u64.

Technical details

Published
2021-08-08

Frequently asked questions

What is CVE-2021-38187?

An issue was discovered in the anymap crate through 0.12.1 for Rust. It violates soundness via conversion of a *u8 to a *u64.

Is CVE-2021-38187 actively exploited?

Active exploitation of CVE-2021-38187 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-38187?

CVE-2021-38187 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-38187 affecting your environment?

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

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