RHSA-2022:6878: Important: expat security update
First published: Tue Oct 11 2022(Updated: )
Expat is a C library for parsing XML documents.<br>Security Fix(es):<br><li> expat: a use-after-free in the doContent function in xmlparse.c (CVE-2022-40674)</li> 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 | Affected Version | How to fix |
|---|---|---|
| redhat/expat | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-debuginfo | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-debuginfo | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-debugsource | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-debugsource | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-devel | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-devel | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-debuginfo | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-debugsource | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat-devel | <2.2.5-8.el8_6.3 | 2.2.5-8.el8_6.3 |
| redhat/expat | <2.2.5-8.el8_6.3.aa | 2.2.5-8.el8_6.3.aa |
| redhat/expat-debuginfo | <2.2.5-8.el8_6.3.aa | 2.2.5-8.el8_6.3.aa |
| redhat/expat-debugsource | <2.2.5-8.el8_6.3.aa | 2.2.5-8.el8_6.3.aa |
| redhat/expat-devel | <2.2.5-8.el8_6.3.aa | 2.2.5-8.el8_6.3.aa |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2022:6878?
The vulnerability RHSA-2022:6878 has a CVSS score that indicates a critical severity due to a use-after-free condition in the expat library.
What does RHSA-2022:6878 impact?
RHSA-2022:6878 impacts versions of the expat library that are vulnerable to a use-after-free bug in xmlparse.c.
How do I fix RHSA-2022:6878?
To fix RHSA-2022:6878, update expat to version 2.2.5-8.el8_6.3 or later.
What is a use-after-free vulnerability in RHSA-2022:6878?
A use-after-free vulnerability in RHSA-2022:6878 allows an attacker to exploit memory that has been freed, potentially leading to arbitrary code execution.
Which packages are affected by RHSA-2022:6878?
The affected packages include expat, expat-devel, expat-debuginfo, and expat-debugsource in various architectures.
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