RHSA-2020:4479 — Security Advisory
Red Hat Security Advisory: libxml2 security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · November 4, 2020
Updated · September 21, 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: memory leak in xmlParseBalancedChunkMemoryRecover in parser.c (CVE-2019-19956)
-
libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c (CVE-2019-20388)
-
libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations (CVE-2020-7595)
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 8.3 Release Notes linked from the References section.