high
8.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2020-9950: Use After Free

First published: Wed Sep 16 2020(Updated: )

A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, tvOS 14.0, Safari 14.0, iOS 14.0 and iPadOS 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.

Credit: cc Trend Micro Zero Day InitiativeMarcin 'Icewall' Noga Cisco Talos product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.0.1
11.0.1
tvOS<14.0
14.0
Apple Mobile Safari<14.0
14.0
Apple Mobile Safari<14.0
Apple iOS, iPadOS, and watchOS<14.0
iOS<14.0
tvOS<14.0
Apple iOS, iPadOS, and watchOS<7.0
Apple iOS, iPadOS, and watchOS<14.0
14.0
Apple iOS, iPadOS, and watchOS<14.0
14.0
Apple iOS, iPadOS, and watchOS<7.0
7.0

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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-2020-9950?

    CVE-2020-9950 is a vulnerability in WebKit that allows for arbitrary code execution through processing maliciously crafted web content.

  • Which software products are affected by CVE-2020-9950?

    CVE-2020-9950 affects Apple tvOS up to version 14.0, Apple macOS Big Sur up to version 11.0.1, Apple Safari up to version 14.0, Apple iOS up to version 14.0, Apple iPadOS up to version 14.0, and Apple watchOS up to version 7.0.

  • How can I fix the vulnerability in Apple tvOS?

    To fix the vulnerability in Apple tvOS, update to version 14.0 or later.

  • How can I fix the vulnerability in Apple macOS Big Sur?

    To fix the vulnerability in Apple macOS Big Sur, update to version 11.0.1 or later.

  • How can I fix the vulnerability in Apple Safari?

    To fix the vulnerability in Apple Safari, update to version 14.0 or later.

  • How can I fix the vulnerability in Apple iOS?

    To fix the vulnerability in Apple iOS, update to version 14.0 or later.

  • How can I fix the vulnerability in Apple iPadOS?

    To fix the vulnerability in Apple iPadOS, update to version 14.0 or later.

  • How can I fix the vulnerability in Apple watchOS?

    To fix the vulnerability in Apple watchOS, update to version 7.0 or later.

  • Where can I find more information about CVE-2020-9950?

    You can find more information about CVE-2020-9950 on the Apple Support website. Here are some references: [link1], [link2], [link3].

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