CVE-2021-30984: Race Condition

Published Aug 24, 2021
·
Updated

A flaw was found in WebKitGTK. A race condition was addressed with improved state handling.

Reference: https://webkitgtk.org/security/WSA-2022-0001.html

Other sources

A race condition was addressed with improved state handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

WebKit. A race condition was addressed with improved state handling.

Credit

Kunlun Lab via Tianfu Cup, Kunlun Lab via Tianfu Cup

Affected Software

19 affected componentsFixes available
debian/webkit2gtk
2.36.4-1~deb10u12.38.6-0+deb10u12.40.5-1~deb11u12.42.1-1~deb11u22.40.5-1~deb12u12.42.1-1~deb12u12.42.1-2
debian/wpewebkit
2.38.6-1~deb11u12.38.6-12.42.1-1
Apple tvOS<15.2
15.2
Apple WatchOS<8.3
8.3
Apple macOS Monterey<12.1
12.1
Apple Safari<15.2
15.2
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple Safari<15.2
Apple iPadOS<15.2
Apple iPhone OS<15.2
Apple macOS<12.1
Apple tvOS<15.2
Apple WatchOS<8.3
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Debian Debian Linux=10.0
Debian Debian Linux=11.0
redhat/webkitgtk<2.32.4
2.32.4

Event History

Aug 24, 2021
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness
Jan 24, 2022
Data Sourced
via Red Hat·06:21 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30984?

CVE-2021-30984 is a vulnerability in WebKit that was addressed with improved state handling to fix a race condition.

2

Which software products are affected by CVE-2021-30984?

CVE-2021-30984 affects the following software products: macOS Monterey 12.1, iOS up to exclusive version 15.2, iPadOS up to exclusive version 15.2, Safari up to exclusive version 15.2, tvOS up to exclusive version 15.2, and watchOS up to exclusive version 8.3.

3

What is the severity of CVE-2021-30984?

The severity of CVE-2021-30984 is not mentioned in the provided information.

4

How can I fix CVE-2021-30984?

To fix CVE-2021-30984, make sure to update your software to the versions mentioned in the affected software list and follow the instructions provided by the software vendor.

5

Where can I find more information about CVE-2021-30984?

You can find more information about CVE-2021-30984 in the references provided: [Reference 1](https://support.apple.com/en-us/HT212980), [Reference 2](https://support.apple.com/en-us/HT212978), [Reference 3](https://support.apple.com/en-us/HT212975).

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