high
7.5
CWE
190 20
Advisory Published
CVE Published
Updated

CVE-2022-40303: Integer Overflow

First published: Fri Oct 14 2022(Updated: )

A flaw was found in libxml2. Parsing a XML document with the XML_PARSE_HUGE option enabled can result in an integer overflow because safety checks were missing in some functions. Also, the xmlParseEntityValue function didn't have any length limitation.

Credit: Maddie Stone Google Project ZeroMaddie Stone Google Project ZeroMaddie Stone Google Project ZeroMaddie Stone Google Project ZeroMaddie Stone Google Project ZeroMaddie Stone Google Project ZeroMaddie Stone Google Project Zero cve@mitre.org

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 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
Xmlsoft Libxml2<2.10.3
Netapp Active Iq Unified Manager Vsphere
NetApp Clustered Data ONTAP
Netapp Clustered Data Ontap Antivirus Connector
Netapp Netapp Manageability Sdk
NetApp ONTAP Select Deploy administration utility
Netapp Snapmanager Hyper-v
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
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
<9.2
9.2
<12.6.2
12.6.2
Apple iOS<15.7.2
15.7.2
Apple iPadOS<15.7.2
15.7.2

Remedy

https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986356fc149915a74972bf198abc266bc2c0

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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 CVE-2022-40303?

    CVE-2022-40303 is a vulnerability in libxml2 that allows for integer overflow during parsing of large XML documents.

  • What is the severity of CVE-2022-40303?

    CVE-2022-40303 has a severity level of high (7).

  • Which software and versions are affected by CVE-2022-40303?

    Apple iOS and iPadOS versions up to and including 15.7.2, 16.1.1, watchOS up to and including 9.2, tvOS up to and including 16.2, macOS Monterey up to and including 12.6.2, macOS Big Sur up to and including 11.7.2, and macOS Ventura up to and including 13.0.1 are affected by CVE-2022-40303. Additionally, libxml2 package versions up to and including 2.10.3 for Apple iPadOS and versions up to and including 0:2.9.7-15.el8_7.1 and 0:2.9.13-3.el9_1 for redhat/libxml2 are also affected.

  • How can I fix CVE-2022-40303?

    Upgrade to Apple iOS or iPadOS version 15.7.2 or later, or 16.1.1 or later. Upgrade to watchOS 9.2 or later, tvOS 16.2 or later, macOS Monterey 12.6.2 or later, macOS Big Sur 11.7.2 or later, or macOS Ventura 13.0.1 or later. For redhat/libxml2, upgrade to version 2.10.3 or later for Apple iPadOS, or version 0:2.9.7-15.el8_7.1 or 0:2.9.13-3.el9_1 or later for redhat/libxml2.

  • Where can I find more information about CVE-2022-40303?

    You can find more information about CVE-2022-40303 at the following references: [Apple Support - HT213531](https://support.apple.com/en-us/HT213531), [Apple Support - HT213505](https://support.apple.com/en-us/HT213505), [Apple Support - HT213536](https://support.apple.com/en-us/HT213536).

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