Security Advisories›RHSA-2021:0222

RHSA-2021:0222 — Security Advisory

Red Hat Security Advisory: sudo security update

Loading…

Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · January 27, 2021

Updated · June 28, 2026

Topic

An update for sudo is now available for Red Hat Enterprise Linux 7.7 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.

Security Fix(es):

  • sudo: Heap buffer overflow in argument parsing (CVE-2021-3156)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs