CVE-2021-27435

ARM mbed Integer Overflow or Wraparound

State: Published
Severity: 7.3 High
Published: May 3, 2022
Updated: Apr 16, 2025
Reserved: Feb 19, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	icscert

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
mbedARM	6.3.0Affected

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
https://github.com/ARMmbed/mbed-os/pull/14408

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.