CVE-2021-26307

PoC —

CVSS 3.1

5.5 medium

EPSS

<1%p27

Published

Jan 29, 2021 (Jan 29, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in the raw-cpuid crate before 9.0.0 for Rust. It allows __cpuid_count() calls even if the processor does not support the CPUID instruction, which is unsound and causes a deterministic crash.

Vendors: raw-cpuid project
Products: raw-cpuid
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news0 stories

No ingested article mentions this CVE yet.