CVE-2021-30698: Input Validation

Published May 24, 2021
·
Updated

WebRTC. A null pointer dereference was addressed with improved input validation.

Other sources

A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.

Credit

Tavis Ormandy(Google)

Affected Software

8 affected componentsFixes available
Apple macOS Big Sur<11.4
11.4
Safari<14.1.1
14.1.1
Apple iOS and iPadOS<14.6
14.6
Apple iOS, iPadOS, and macOS<14.6
14.6
Safari<14.1.1
Apple iOS, iPadOS, and macOS<14.6
iPhone OS<14.6
macOS>=11.0<11.4

Event History

Sep 8, 2021
CVE Published
via MITRE·02:28 PM
Data Sourced
via MITRE·02:28 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30698?

CVE-2021-30698 is a vulnerability in WebRTC that allows for a null pointer dereference, which has been addressed with improved input validation.

2

Which software and versions are affected by CVE-2021-30698?

CVE-2021-30698 affects Apple Safari version up to and excluding 14.1.1, macOS Big Sur version up to and excluding 11.4, Apple iOS version up to and excluding 14.6, and Apple iPadOS version up to and excluding 14.6.

3

How severe is CVE-2021-30698?

The severity of CVE-2021-30698 is not specified in the provided information.

4

How can I fix CVE-2021-30698?

To fix CVE-2021-30698, update Apple Safari to version 14.1.1 or later, macOS Big Sur to version 11.4 or later, iOS to version 14.6 or later, and iPadOS to version 14.6 or later.

5

Where can I find more information about CVE-2021-30698?

You can find more information about CVE-2021-30698 on the Apple support page: [link](https://support.apple.com/en-us/HT212529)

Contact

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