RHSA-2021:4373 — Security Advisory
Red Hat Security Advisory: pcre security update
Severity
LowRed Hat Product Security
Products
Official CSAF product identity
Published · November 10, 2021
Updated · October 9, 2026
Topic
An update for pcre is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Low. 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
PCRE is a Perl-compatible regular expression library.
Security Fix(es):
-
pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1 (CVE-2019-20838)
-
pcre: Integer overflow when parsing callout numeric arguments (CVE-2020-14155)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.