RHSA-2021:1597 — Security Advisory
Red Hat Security Advisory: libxml2 security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · May 18, 2021
Updated · October 14, 2026
Topic
An update for libxml2 is now available for Red Hat Enterprise Linux 8.
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
The libxml2 library is a development toolbox providing the implementation of various XML standards.
Security Fix(es):
- libxml2: Buffer overflow vulnerability in xmlEncodeEntitiesInternal() in entities.c (CVE-2020-24977)
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 8.4 Release Notes linked from the References section.