First published: Thu Jan 06 2022(Updated: )
expat (libexpat) is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability, confidentiality and integrity.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/expat | <0:2.1.0-14.el7_9 | 0:2.1.0-14.el7_9 |
redhat/expat | <0:2.2.5-4.el8_5.3 | 0:2.2.5-4.el8_5.3 |
redhat/xmlrpc-c | <0:1.51.0-8.el8 | 0:1.51.0-8.el8 |
redhat/expat | <2.4.3 | 2.4.3 |
Libexpat Project Libexpat | <2.4.3 | |
Netapp Active Iq Unified Manager Vmware Vsphere | ||
NetApp Clustered Data ONTAP | ||
Netapp Hci Baseboard Management Controller | =h610c | |
Netapp Hci Baseboard Management Controller | =h610s | |
Netapp Hci Baseboard Management Controller | =h615c | |
NetApp OnCommand Workflow Automation | ||
Netapp Solidfire \& Hci Management Node | ||
Tenable Nessus | <8.15.3 | |
Tenable Nessus | >=10.0.0<10.1.1 | |
Siemens SINEMA Remote Connect Server | <3.1 | |
debian/expat | 2.2.10-2+deb11u5 2.2.10-2+deb11u6 2.5.0-1 2.5.0-1+deb12u1 2.6.3-2 |
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(Appears in the following advisories)
The vulnerability ID is CVE-2021-46143.
The severity level of CVE-2021-46143 is high with a CVSS score of 7.8.
The highest threat from CVE-2021-46143 is to availability and confidentiality.
The affected software versions include Expat (libexpat) before 2.4.3.
To fix CVE-2021-46143, update Expat to version 2.4.3.