high
8.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2023-39434: Use After Free

First published: Mon Sep 18 2023(Updated: )

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

Credit: product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<17.0
Apple iPhone OS<17.0
Apple macOS<14.0
Apple watchOS<10.0
Apple macOS Sonoma<14
14
<17
17
<17
17
Apple watchOS<10
10

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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-2023-39434?

    CVE-2023-39434 is a use-after-free vulnerability in WebKit.

  • How does CVE-2023-39434 impact Apple iOS?

    CVE-2023-39434 affects Apple iOS versions up to but excluding version 17.

  • How does CVE-2023-39434 impact Apple iPadOS?

    CVE-2023-39434 affects Apple iPadOS versions up to but excluding version 17.

  • How does CVE-2023-39434 impact Apple watchOS?

    CVE-2023-39434 affects Apple watchOS versions up to but excluding version 10.

  • How does CVE-2023-39434 impact Apple macOS Sonoma?

    CVE-2023-39434 affects Apple macOS Sonoma versions up to but excluding version 14.

  • What is the Common Weakness Enumeration (CWE) ID for CVE-2023-39434?

    The Common Weakness Enumeration (CWE) ID for CVE-2023-39434 is CWE-416.

  • How can I fix CVE-2023-39434?

    To fix CVE-2023-39434, update your Apple device's operating system to a version that is not affected.

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