CVEvulnerability
CVE-2021-27419
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-05-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-190
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.
Affected configurations
• uclibc-ng project uclibc-ng (< 1.0.37)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://downloads.uclibc-ng.org/releases/ Product, Release Notes, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 Third Party Advisory, US Government Resource
- https://downloads.uclibc-ng.org/releases/ Product, Release Notes, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 Third Party Advisory, US Government Resource