high
8.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2020-9951: Use After Free

First published: Wed Sep 16 2020(Updated: )

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.

Credit: cc Trend Micro Zero Day Initiativecc Trend Micro Zero Day InitiativeMarcin 'Icewall' Noga Cisco Taloscc Trend Micro Zero Day Initiativecc Trend Micro Zero Day InitiativeMarcin 'Icewall' Noga Cisco Taloscc Trend Micro Zero Day Initiativecc Trend Micro Zero Day InitiativeMarcin 'Icewall' Noga Cisco Taloscc Trend Micro Zero Day Initiativecc Trend Micro Zero Day InitiativeMarcin 'Icewall' Noga Cisco Talosan anonymous researcher cc Trend Micro Zero Day InitiativeMarcin 'Icewall' Noga Cisco TalosMarcin 'Icewall' Noga Cisco Talosan anonymous researcher cc Trend Micro Zero Day InitiativeMarcin 'Icewall' Noga Cisco Talos product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Safari<14.0
14.0
Apple iCloud for Windows<11.5
11.5
Apple iTunes for Windows<12.10.9
12.10.9
Apple watchOS<7.0
7.0
Apple tvOS<14.0
14.0
Apple iOS<14.0
14.0
Apple iPadOS<14.0
14.0
Apple Icloud Windows<11.5
Apple Itunes Windows<12.10.9
Apple Safari<14.0
Apple iPadOS<14.0
Apple iPhone OS<14.0
Apple tvOS<14.0
Apple watchOS<7.0
Webkit Webkitgtk\+<=2.30.3
Debian Debian Linux=10.0
IBM Cloud Pak for Security (CP4S)<=1.7.2.0
IBM Cloud Pak for Security (CP4S)<=1.7.1.0
IBM Cloud Pak for Security (CP4S)<=1.7.0.0
debian/webkit2gtk
2.44.2-1~deb11u1
2.44.3-1~deb11u1
2.44.2-1~deb12u1
2.44.3-1~deb12u1
2.44.3-1
2.44.4-1
debian/wpewebkit
2.38.6-1~deb11u1
2.38.6-1
2.44.3-1
2.44.4-1

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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 CVE-2020-9951?

    CVE-2020-9951 is a vulnerability in WebKit that allows for a use after free issue.

  • Which software is affected by CVE-2020-9951?

    CVE-2020-9951 affects Apple iTunes for Windows (up to version 12.10.9), Apple iCloud for Windows (up to version 11.5), Apple watchOS (up to version 7.0), Apple iOS (up to version 14.0), Apple iPadOS (up to version 14.0), Apple Safari (up to version 14.0), and Apple tvOS (up to version 14.0).

  • How can I fix CVE-2020-9951?

    To fix CVE-2020-9951, make sure to update your affected software to the recommended versions provided by Apple.

  • Where can I find more information about CVE-2020-9951?

    You can find more information about CVE-2020-9951 on the official Apple support page.

  • What is the severity of CVE-2020-9951?

    The severity of CVE-2020-9951 is not specified.

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