CVE-2021-38187: Anymap Project Anymap

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

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.

Affected products

• Anymap Project Anymap: up to and including 0.12.1

Published 2021-08-08. Last modified 2026-06-17.