high
7.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2023-40423: Buffer Overflow

First published: Wed Oct 25 2023(Updated: )

IOTextEncryptionFamily. The issue was addressed with improved memory handling.

Credit: an anonymous researcher an anonymous researcher an anonymous researcher an anonymous researcher an anonymous researcher product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<16.7.2
16.7.2
Apple iPadOS<16.7.2
16.7.2
Apple iOS<17.1
17.1
Apple iPadOS<17.1
17.1
<12.7.1
12.7.1
Apple macOS Sonoma<14.1
14.1
Apple macOS Ventura<13.6.1
13.6.1
Apple iPadOS<16.7.2
Apple iPadOS>=17.0<17.1
Apple iPhone OS<16.7.2
Apple iPhone OS>=17.0<17.1
Apple macOS>=12.0.0<12.7.1
Apple macOS>=13.0<13.6.1
Apple macOS>=14.0<14.1

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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?

    The vulnerability ID is CVE-2023-40423.

  • What is the title of the vulnerability?

    The title of the vulnerability is IOTextEncryptionFamily.

  • What is the fix for the vulnerability?

    The vulnerability is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Ventura 13.6.1, macOS Sonoma 14.1.

  • How can an app exploit this vulnerability?

    An app may be able to execute arbitrary code with kernel privileges.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the Apple support website: [https://support.apple.com/en-us/HT213981](https://support.apple.com/en-us/HT213981), [https://support.apple.com/en-us/HT213984](https://support.apple.com/en-us/HT213984), [https://support.apple.com/en-us/HT213985](https://support.apple.com/en-us/HT213985).

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