CVE-2021-27435

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p76

Published

May 3, 2022 (May 3, 2022)

Modified

Jun 17, 2026

Description

ARM mbed product Version 6.3.0 is vulnerable to integer wrap-around in malloc_wrapper function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Vendors: arm
Products: mbed
Weakness: CWE-190
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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