RHSA-2021:2184 — Security Advisory

Red Hat Security Advisory: perl security update

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Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · June 2, 2021

Updated · October 14, 2026

Topic

An update for perl is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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

Perl is a high-level programming language that is commonly used for system administration utilities and web programming.

Security Fix(es):

  • perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS (CVE-2020-12723)

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-2021:2184 — Red Hat Security Advisory: perl security update | PulseLinux