CVE-2021-27419

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 3, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-27419: Critical severity, CVSS 9.8 | Vulnix