CWE
190
Advisory Published
CVE Published
Updated

CVE-2022-23852: Integer Overflow

First published: Sun Jan 23 2022(Updated: )

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

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/expat<0:2.2.5-4.el8_4.3
0:2.2.5-4.el8_4.3
Libexpat Project Libexpat<2.4.4
NetApp Clustered Data ONTAP
NetApp OnCommand Workflow Automation
Tenable Nessus<8.15.3
Tenable Nessus>=10.0.0<10.1.1
Oracle Communications Metasolv Solution=6.3.1
Debian Debian Linux=9.0
Siemens SINEMA Remote Connect Server<3.1
redhat/expat<2.4.4
2.4.4
Google Android
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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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-23852?

    CVE-2022-23852 is a vulnerability in expat (libexpat) that can cause process interruption due to an integer overflow when processing a large number of prefixed XML attributes on a single tag.

  • What is the severity of CVE-2022-23852?

    The severity of CVE-2022-23852 is critical with a CVSS score of 9.8.

  • What is affected by CVE-2022-23852?

    Expat (libexpat) versions before 2.4.4 are affected by CVE-2022-23852.

  • How can I fix CVE-2022-23852?

    To fix CVE-2022-23852, update expat to version 2.4.4.

  • Where can I find more information about CVE-2022-23852?

    You can find more information about CVE-2022-23852 at the following references: [link1](https://github.com/libexpat/libexpat/pull/550), [link2](https://bugzilla.suse.com/1195054), [link3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2052320).

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