8.8
CWE
190
Advisory Published
Updated

CVE-2022-22827: Integer Overflow

First published: Sat Jan 08 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 SoftwareAffected VersionHow 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
Libexpat Project Libexpat<2.4.3
Tenable Nessus<8.15.3
Tenable Nessus>=10.0.0<10.1.1
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Siemens SINEMA Remote Connect Server<3.1
redhat/expat<2.4.3
2.4.3
debian/expat
2.2.10-2+deb11u5
2.2.10-2+deb11u6
2.5.0-1+deb12u1
2.6.4-1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-22827?

    CVE-2022-22827 is a vulnerability in Expat (libexpat) before version 2.4.3 that allows an integer overflow and can cause process interruption.

  • What is the severity of CVE-2022-22827?

    The severity of CVE-2022-22827 is high, with a CVSS score of 8.8.

  • How does CVE-2022-22827 affect Expat (libexpat)?

    CVE-2022-22827 affects Expat (libexpat) versions before 2.4.3.

  • What is the impact of CVE-2022-22827?

    The highest threat from CVE-2022-22827 is to availability and confidentiality.

  • How can I fix CVE-2022-22827?

    To fix CVE-2022-22827, update Expat (libexpat) to version 2.4.3.

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