CVE-2021-31870

CRITICAL9.8EPSS 1.3%

klibc - security update

Published: 4/30/2021Modified: 3/9/2026
Also known as:DEBIAN-CVE-2021-31870DEBIAN-CVE-2021-31871DEBIAN-CVE-2021-31872DEBIAN-CVE-2021-31873DLA-2695-1

Description

An issue was discovered in klibc before 2.0.9. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow.

Affected packages (2)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)