high
8.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2019-8821

First published: Mon Oct 28 2019(Updated: )

WebKit. Multiple memory corruption issues were addressed with improved memory handling.

Credit: Cheolung Lee LINESoyeon Park SSLab at Georgia TechSamuel Groß Google Project ZeroSergei Glazunov Google Project Zerofound by OSS-Fuzz JunDong Xie Ant product-security@apple.com

Affected SoftwareAffected VersionHow to fix
redhat/webkitgtk<2.24.4
2.24.4
tvOS<13.2
13.2
Apple Mobile Safari<13.0.3
13.0.3
Apple iCloud for Windows<7.15
Apple iCloud for Windows>=10.0<10.8
Apple iTunes for Windows<12.10.2
Apple Mobile Safari<13.0.3
Apple iOS, iPadOS, and watchOS<13.2
iOS<13.2
tvOS<13.2
Apple iOS, iPadOS, and watchOS<13.2
13.2
Apple iOS, iPadOS, and watchOS<13.2
13.2
Apple iCloud<7.15
7.15
Apple iTunes<12.10.2
12.10.2

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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-2019-8821?

    CVE-2019-8821 is a vulnerability in WebKit that allows arbitrary code execution when processing malicious web content.

  • Which software versions are affected by CVE-2019-8821?

    CVE-2019-8821 affects iOS 13.2 and iPadOS 13.2, tvOS 13.2, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, and iCloud for Windows 7.15.

  • What is the severity of CVE-2019-8821?

    CVE-2019-8821 has a severity rating of 8.8 (high).

  • How can I fix CVE-2019-8821?

    To fix CVE-2019-8821, update your software to iOS 13.2 and iPadOS 13.2, tvOS 13.2, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, or iCloud for Windows 7.15.

  • Where can I find more information about CVE-2019-8821?

    You can find more information about CVE-2019-8821 on the official Apple support page: https://support.apple.com/en-us/HT210721, https://support.apple.com/en-us/HT210728, https://support.apple.com/en-us/HT210726.

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