high
7.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-30846

First published: Mon Sep 13 2021(Updated: )

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

Credit: Sergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project Zero product-security@apple.com

Affected SoftwareAffected VersionHow to fix
debian/webkit2gtk
2.36.4-1~deb10u1
2.38.6-0+deb10u1
2.40.5-1~deb11u1
2.42.1-1~deb11u2
2.40.5-1~deb12u1
2.42.1-1~deb12u1
2.42.1-2
debian/wpewebkit
2.38.6-1~deb11u1
2.38.6-1
2.42.1-1
Apple Safari<15.0
Apple iPadOS<14.8
Apple iPhone OS<14.8
Apple macOS<12.0.1
Apple tvOS<15.0
Apple watchOS<8.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Apple Safari<15
15
Apple tvOS<15
15
Apple watchOS<8
8
Apple iOS<15
15
Apple iPadOS<15
15
Apple iOS<14.8
14.8
Apple iPadOS<14.8
14.8
Apple macOS Monterey<12.0.1
12.0.1

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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 the vulnerability ID for this memory corruption issue in WebKit?

    The vulnerability ID is CVE-2021-30846.

  • What software versions are affected by CVE-2021-30846?

    The affected software versions include Apple watchOS up to version 8, Apple iOS up to version 15, Apple iPadOS up to version 15, Apple iOS up to version 14.8, Apple iPadOS up to version 14.8, Apple tvOS up to version 15, Apple Safari up to version 15, and Apple macOS Monterey up to version 12.0.1.

  • What is the severity of CVE-2021-30846?

    The severity of CVE-2021-30846 has not been disclosed.

  • How can I fix the vulnerability CVE-2021-30846?

    To fix the vulnerability, it is recommended to update your software to the latest version provided by Apple. Please refer to the Apple support links provided for more information on the available updates.

  • Where can I find more information about CVE-2021-30846?

    You can find more information about CVE-2021-30846 on the Apple support pages. Please refer to the provided reference links.

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