First published: Tue Sep 29 2020(Updated: )
Expat is a C library for parsing XML documents.<br>Security Fix(es):<br><li> expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)</li> <li> expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903)</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.<br>Additional Changes:<br>For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/expat | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-debuginfo | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-debuginfo | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-devel | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-devel | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-static | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-static | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-debuginfo | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-devel | <2.1.0-12.el7 | 2.1.0-12.el7 |
redhat/expat-static | <2.1.0-12.el7 | 2.1.0-12.el7 |
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The severity of RHSA-2020:3952 is categorized as moderate.
To fix RHSA-2020:3952, you need to update the expat package to version 2.1.0-12.el7 or later.
RHSA-2020:3952 addresses a denial of service vulnerability and a heap-based buffer over-read vulnerability in the expat C library.
Versions of expat prior to 2.1.0-12.el7 are affected by RHSA-2020:3952.
Yes, after applying RHSA-2020:3952, it is advisable to restart any services that depend on the expat library.