RHSA-2023:0337: Moderate: expat security update
Expat is a C library for parsing XML documents.Security Fix(es): expat: use-after free caused by overeager destruction of a shared DTD in XMLExternalEntityParserCreate (CVE-2022-43680) 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:0337?
The severity of RHSA-2023:0337 is classified as moderate.
How do I fix RHSA-2023:0337?
To fix RHSA-2023:0337, update the expat package to version 2.4.9-1.el9_1.1 or higher.
What vulnerabilities are addressed in RHSA-2023:0337?
RHSA-2023:0337 addresses a use-after-free vulnerability caused by improper handling in XML_ExternalEntityParserCreate (CVE-2022-43680).
Which packages are affected by RHSA-2023:0337?
The affected packages include expat, expat-debuginfo, expat-devel, and expat-debugsource in various architectures.
Do I need to restart my system after applying the fix for RHSA-2023:0337?
A restart may not be required, but it is advisable to restart any services using the expat library to ensure the fixes are applied.