high
7.5
CWE
416
Advisory Published
Updated

CVE-2022-43680: Apache OpenOffice: "Use after free" fixed in libexpat

First published: Mon Oct 24 2022(Updated: )

A use-after-free flaw was found in the Expat package, caused by destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations. This may lead to availability disruptions.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/expat<=2.2.6-2+deb10u4
2.2.6-2+deb10u6
2.2.10-2+deb11u5
2.5.0-1
2.5.0-2
debian/expat<=2.2.10-2<=2.4.9-1
2.5.0-1
2.2.10-2+deb11u5
redhat/expat<0:2.2.5-10.el8_7.1
0:2.2.5-10.el8_7.1
redhat/expat<0:2.4.9-1.el9_1.1
0:2.4.9-1.el9_1.1
redhat/expat<2.5.0
2.5.0
IBM Data Virtualization on Cloud Pak for Data<=3.0
IBM Watson Query with Cloud Pak for Data<=2.2
IBM Watson Query with Cloud Pak for Data<=2.1
IBM Watson Query with Cloud Pak for Data<=2.0
IBM Data Virtualization on Cloud Pak for Data<=1.8
IBM Data Virtualization on Cloud Pak for Data<=1.7
Android
Libexpat<=2.4.9
Debian Linux=10.0
Debian Linux=11.0
Red Hat Fedora=35
Red Hat Fedora=36
Red Hat Fedora=37
All of
NetApp H300S Firmware
NetApp H300S Firmware
All of
NetApp H500e Firmware
NetApp H500e Firmware
All of
NetApp H700S
NetApp H700S
All of
NetApp H410S
NetApp H410S Firmware
All of
NetApp H410C
NetApp H410C Firmware
NetApp Active IQ Unified Manager for VMware vSphere
NetApp OnCommand Workflow Automation
NetApp SolidFire & HCI Management Node
All of
NetApp HCI Compute Node Firmware
NetApp HCI Compute Node
NetApp Baseboard Management Controller Firmware
NetApp Baseboard Management Controller H300S
NetApp Baseboard Management Controller Firmware
NetApp Baseboard Management Controller H500S
NetApp Baseboard Management Controller Firmware
NetApp Baseboard Management Controller H700S
NetApp Baseboard Management Controller Firmware
NetApp Baseboard Management Controller H410S
NetApp Baseboard Management Controller H410C
NetApp Baseboard Management Controller H410C Firmware
NetApp HCI Compute Node Firmware
NetApp HCI Compute Node

Remedy

https://github.com/libexpat/libexpat/issues/649

Remedy

https://github.com/libexpat/libexpat/pull/616

Remedy

https://github.com/libexpat/libexpat/pull/650

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-43680?

    CVE-2022-43680 is a use-after-free vulnerability in the Expat package, specifically in the destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

  • What is the severity of CVE-2022-43680?

    CVE-2022-43680 has a severity level of 7.5 (high).

  • Which software is affected by CVE-2022-43680?

    CVE-2022-43680 affects the expat package in various versions on Debian, Red Hat, Google Android, and other platforms.

  • How can I fix CVE-2022-43680?

    To fix CVE-2022-43680, update the affected expat package to the recommended versions provided by the vendor.

  • Where can I find more information about CVE-2022-43680?

    More information about CVE-2022-43680 can be found in the references section of the vulnerability report.

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