RHSA-2022:1074 — Security Advisory

Red Hat Security Advisory: screen security update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · March 28, 2022

Updated · November 22, 2025

Topic

An update for screen is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions.

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 screen utility allows users to have multiple logins on a single terminal.

Security Fix(es):

  • screen: crash when processing combining chars (CVE-2021-26937)

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

RHSA-2022:1074 — Red Hat Security Advisory: screen security update | PulseLinux