VULNERABILITY INTELLIGENCE

CVE-2021-27419

CVSS score7.3 HIGH

EPSS probability1.72%

CISA KEVNot currently listed

Published2022-05-03

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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.

Weakness classification

ics-cert@hq.dhs.gov: CWE-190

Primary references

ics-cert@hq.dhs.gov — Product, Release Notes, Vendor Advisory
ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Product, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource