RHSA-2023:0338 — Security Advisory
Red Hat Security Advisory: libxml2 security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · January 24, 2023
Updated · October 15, 2026
Topic
An update for libxml2 is now available for Red Hat Enterprise Linux 9.
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: integer overflows with XML_PARSE_HUGE (CVE-2022-40303)
-
libxml2: dict corruption caused by entity reference cycles (CVE-2022-40304)
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.