high
7.8
CWE
415
Advisory Published
Updated

CVE-2022-40304: Double Free

First published: Fri Oct 14 2022(Updated: )

A flaw was found in libxml2. When a reference cycle is detected in the XML entity cleanup function the XML entity data can be stored in a dictionary. In this case, the dictionary becomes corrupted resulting in logic errors, including memory errors like double free.

Credit: cve@mitre.org Ned Williamson Google Project ZeroNathan Wachholz Google Project ZeroNed Williamson Google Project ZeroNathan Wachholz Google Project ZeroNed Williamson Google Project ZeroNathan Wachholz Google Project ZeroNed Williamson Google Project ZeroNathan Wachholz Google Project ZeroNed Williamson Google Project ZeroNathan Wachholz Google Project ZeroNed Williamson Google Project ZeroNathan Wachholz Google Project ZeroNed Williamson Google Project ZeroNathan Wachholz Google Project Zero

Affected SoftwareAffected VersionHow to fix
redhat/libxml2<0:2.9.7-15.el8_7.1
0:2.9.7-15.el8_7.1
redhat/libxml2<0:2.9.13-3.el9_1
0:2.9.13-3.el9_1
Apple tvOS<16.2
16.2
Apple watchOS<9.2
9.2
Apple macOS Monterey<12.6.2
12.6.2
Apple macOS Big Sur<11.7.2
11.7.2
Apple macOS Ventura<13.0.1
13.0.1
redhat/libxml2<2.10.3
2.10.3
Apple iOS<16.1.1
16.1.1
Apple iPadOS<16.1.1
16.1.1
Apple iOS<15.7.2
15.7.2
Apple iPadOS<15.7.2
15.7.2
Xmlsoft Libxml2<2.10.3
Netapp Active Iq Unified Manager Vmware Vsphere
NetApp Clustered Data ONTAP
Netapp Clustered Data Ontap Antivirus Connector
Netapp Manageability Software Development Kit
Netapp Smi-s Provider
Netapp Snapmanager Hyper-v
Netapp H300s Firmware
Netapp H300s
Netapp H500s Firmware
Netapp H500s
Netapp H700s Firmware
Netapp H700s
Netapp H410s Firmware
Netapp H410s
Netapp H410c Firmware
Netapp H410c
Apple iPadOS<15.7.2
Apple iPhone OS<15.7.2
Apple macOS>=11.0<11.7.2
Apple macOS>=12.0<12.6.2
Apple tvOS<16.2
Apple watchOS<9.2

Remedy

https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b

Remedy

https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this issue in libxml2?

    The vulnerability ID for this issue in libxml2 is CVE-2022-40304.

  • What is the severity of CVE-2022-40304?

    The severity of CVE-2022-40304 is high.

  • What is the affected software of CVE-2022-40304?

    The affected software of CVE-2022-40304 includes Apple iOS, Apple iPadOS, Apple macOS Monterey, Apple macOS Big Sur, Apple macOS Ventura, Apple watchOS, Apple tvOS, and Red Hat libxml2.

  • How can I fix CVE-2022-40304 in Apple iOS, iPadOS, and watchOS?

    To fix CVE-2022-40304 in Apple iOS, iPadOS, and watchOS, update to version 15.7.2 or later for iOS, version 16.1.1 or later for iOS, and version 9.2 or later for watchOS.

  • How can I fix CVE-2022-40304 in Apple macOS Monterey, macOS Big Sur, and macOS Ventura?

    To fix CVE-2022-40304 in Apple macOS Monterey, macOS Big Sur, and macOS Ventura, update to version 12.6.2 or later for macOS Monterey, version 11.7.2 or later for macOS Big Sur, and version 13.0.1 or later for macOS Ventura.

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