CVE-2021-30934: Buffer Overflow

Published Aug 24, 2021
·
Updated

A buffer overflow issue was addressed with improved memory 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.

Other sources

A flaw was found in WebKitGTK. A buffer overflow issue was addressed with improved memory handling.

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

Red Hat

WebKit. A buffer overflow issue was addressed with improved memory handling.

Credit

Dani Biro, Dani Biro, Dani Biro, Dani Biro, Dani Biro

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>=12.0<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·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionWeakness
Jan 24, 2022
Data Sourced
via Red Hat·05:56 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30934?

CVE-2021-30934 is a buffer overflow vulnerability in WebKit that has been addressed with improved memory handling.

2

Which software is affected by CVE-2021-30934?

CVE-2021-30934 affects Apple macOS Monterey version up to 12.1, Apple iOS version up to 15.2, Apple iPadOS version up to 15.2, Apple Safari version up to 15.2, Apple watchOS version up to 8.3, and Apple tvOS version up to 15.2.

3

How can I fix the CVE-2021-30934 vulnerability?

To fix the CVE-2021-30934 vulnerability, make sure to update affected software to the specified remediation versions.

4

Where can I find more information about CVE-2021-30934?

You can find more information about CVE-2021-30934 on the Apple support page.

5

What is the Common Weakness Enumeration (CWE) ID associated with CVE-2021-30934?

The Common Weakness Enumeration (CWE) ID associated with CVE-2021-30934 is CWE-119.

Contact

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