CVE-2019-8821
First published: Mon Oct 28 2019(Updated: )
WebKit. Multiple memory corruption issues were addressed with improved memory handling.
Credit: Cheolung Lee LINECheolung Lee LINEfound by OSS-Fuzz Soyeon Park SSLab at Georgia TechJunDong Xie AntCheolung Lee LINESoyeon Park SSLab at Georgia TechCheolung Lee LINESamuel Groß Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroCheolung Lee LINECheolung Lee LINEfound by OSS-Fuzz Soyeon Park SSLab at Georgia TechJunDong Xie AntCheolung Lee LINESoyeon Park SSLab at Georgia TechCheolung Lee LINESamuel Groß Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroCheolung Lee LINECheolung Lee LINEfound by OSS-Fuzz Soyeon Park SSLab at Georgia TechJunDong Xie AntCheolung Lee LINESoyeon Park SSLab at Georgia TechCheolung Lee LINESamuel Groß Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroCheolung Lee LINECheolung Lee LINEfound by OSS-Fuzz Soyeon Park SSLab at Georgia TechJunDong Xie AntCheolung Lee LINESoyeon Park SSLab at Georgia TechCheolung Lee LINESamuel Groß Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroCheolung Lee LINESoyeon Park SSLab at Georgia TechCheolung Lee LINESoyeon Park SSLab at Georgia TechCheolung Lee LINESamuel Groß Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project ZeroSergei Glazunov Google Project Zero product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iCloud for Windows | <7.15 | 7.15 |
| Apple iTunes for Windows | <12.10.2 | 12.10.2 |
| Apple Safari | <13.0.3 | 13.0.3 |
| Apple tvOS | <13.2 | 13.2 |
| redhat/webkitgtk | <2.24.4 | 2.24.4 |
| Apple iOS | <13.2 | 13.2 |
| Apple iPadOS | <13.2 | 13.2 |
| Apple Icloud Windows | <7.15 | |
| Apple Icloud Windows | >=10.0<10.8 | |
| Apple Itunes Windows | <12.10.2 | |
| Apple Safari | <13.0.3 | |
| Apple iPadOS | <13.2 | |
| Apple iPhone OS | <13.2 | |
| Apple tvOS | <13.2 |
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Reference Links
- https://support.apple.com/en-us/HT210721 (Advisory)
- https://support.apple.com/en-us/HT210723 (Advisory)
- https://support.apple.com/en-us/HT210725 (Advisory)
- https://support.apple.com/en-us/HT210726 (Advisory)
- https://support.apple.com/en-us/HT210728 (Advisory)
- https://security.gentoo.org/glsa/202003-22
- https://support.apple.com/HT210721
- https://support.apple.com/HT210723
- https://support.apple.com/HT210725
- https://support.apple.com/HT210726
- https://support.apple.com/HT210727
- https://support.apple.com/HT210728
- https://access.redhat.com/security/cve/CVE-2019-8821
- https://webkitgtk.org/security/WSA-2019-0006.html
- https://access.redhat.com/errata/RHSA-2020:4035
- https://access.redhat.com/security/cve/cve-2019-8821
- https://bugzilla.redhat.com/show_bug.cgi?id=1876592
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2019-8784
- CVE-2019-8783
- CVE-2019-8811
- CVE-2019-8814
- CVE-2019-8816
- CVE-2019-8819
- CVE-2019-8820
- CVE-2019-8821
- CVE-2019-8822
- CVE-2019-8823
- CVE-2019-8827
- CVE-2019-8815
- CVE-2019-8801
- CVE-2019-8813
- CVE-2019-8782
- CVE-2019-8808
- CVE-2019-8812
- CVE-2019-8787
- CVE-2019-8803
- CVE-2019-8785
- CVE-2019-8797
- CVE-2019-8795
- CVE-2019-8798
- CVE-2019-8794
- CVE-2019-8786
- CVE-2019-8829
- CVE-2019-8796
- CVE-2019-8788
- CVE-2019-8789
- CVE-2017-7152
- CVE-2019-8804
- CVE-2019-8793
- CVE-2019-15126
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.
- collector/apple-support
- alias/CVE-2019-8811
- alias/CVE-2019-8814
- alias/CVE-2019-8816
- alias/CVE-2019-8819
- alias/CVE-2019-8820
- alias/CVE-2019-8821
- alias/CVE-2019-8822
- alias/CVE-2019-8823
- alias/CVE-2019-8783
- alias/CVE-2019-8808
- alias/CVE-2019-8812
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/software-canonical-lookup-request
- agent/references
- agent/severity
- agent/weakness
- agent/author
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/event
- collector/nvd-index
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/apple
- canonical/apple icloud for windows
- canonical/apple itunes for windows
- canonical/apple safari
- canonical/apple tvos
- package-manager/redhat
- canonical/apple ios
- canonical/apple ipados
- canonical/apple icloud windows
- version/apple icloud windows/10.0
- canonical/apple itunes windows
- canonical/apple iphone os