CVE-2020-9950: Use After Free

Published 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.

Other sources

WebKit. A use after free issue was addressed with improved memory management.

WebKit. Processing maliciously crafted web content may lead to arbitrary code execution.

Credit

cc(Trend Micro Zero Day Initiative), Marcin 'Icewall' Noga(Cisco Talos)

Affected Software

11 affected componentsFixes available
Apple macOS Big Sur<11.0.1
11.0.1
Apple tvOS<14.0
14.0
Apple WatchOS<7.0
7.0
Apple Safari<14.0
14.0
Apple iOS<14.0
14.0
Apple iPadOS<14.0
14.0
Apple Safari<14.0
Apple iPadOS<14.0
Apple iPhone OS<14.0
Apple tvOS<14.0
Apple WatchOS<7.0

Event History

Dec 8, 2020
CVE Published
via MITRE·07:20 PM
Data Sourced
via MITRE·07:20 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

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.

2

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.

3

How can I fix the vulnerability in Apple tvOS?

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

4

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.

5

How can I fix the vulnerability in Apple Safari?

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

6

How can I fix the vulnerability in Apple iOS?

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

7

How can I fix the vulnerability in Apple iPadOS?

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

8

How can I fix the vulnerability in Apple watchOS?

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

9

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].

Company

Resources

Contact

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