high
8.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2019-8623

First published: Mon May 13 2019(Updated: )

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

Credit: G. Geshev Trend Micro Zero Day InitiativeLiu Long Qihoo 360 Vulcan Team01 Trend Microsakura Tencent Xuanwu Labjessica @babyjess1ca_ Tencent Keen Lab dwfault working at ADLab VenustechG. Geshev MWR Labs working with Trend Micro Zero Day Initiativean anonymous researcher G. Geshev Trend Micro Zero Day InitiativeSuyoung Lee Sooel Son KAIST Web SecurityHyungSeok Han Sang Kil Cha KAIST SoftSec LabG. Geshev MWR Labs working with Trend Micro Zero Day InitiativeWen Xu SSLab at Georgia Tech01 Trend Micro Zero Day InitiativeFluoroacetate Trend MicroG. Geshev Trend Micro Zero Day InitiativeWen Xu SSLabGeorgia Tech Anonymous Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroG. Geshev MWR Labs working with Trend MicroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research LabSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research LabG. Geshev Trend Micro Zero Day InitiativeLiu Long Qihoo 360 Vulcan Team01 Trend Microsakura Tencent Xuanwu Labjessica @babyjess1ca_ Tencent Keen Lab dwfault working at ADLab VenustechG. Geshev MWR Labs working with Trend Micro Zero Day Initiativean anonymous researcher G. Geshev Trend Micro Zero Day InitiativeSuyoung Lee Sooel Son KAIST Web SecurityHyungSeok Han Sang Kil Cha KAIST SoftSec LabG. Geshev MWR Labs working with Trend Micro Zero Day InitiativeWen Xu SSLab at Georgia Tech01 Trend Micro Zero Day InitiativeFluoroacetate Trend MicroG. Geshev Trend Micro Zero Day InitiativeWen Xu SSLabGeorgia Tech Anonymous Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroG. Geshev MWR Labs working with Trend MicroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research LabSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research LabG. Geshev Trend Micro Zero Day InitiativeLiu Long Qihoo 360 Vulcan Team01 Trend Microsakura Tencent Xuanwu Labjessica @babyjess1ca_ Tencent Keen Lab dwfault working at ADLab VenustechG. Geshev MWR Labs working with Trend Micro Zero Day Initiativean anonymous researcher G. Geshev Trend Micro Zero Day InitiativeSuyoung Lee Sooel Son KAIST Web SecurityHyungSeok Han Sang Kil Cha KAIST SoftSec LabG. Geshev MWR Labs working with Trend Micro Zero Day InitiativeWen Xu SSLab at Georgia Tech01 Trend Micro Zero Day InitiativeFluoroacetate Trend MicroG. Geshev Trend Micro Zero Day InitiativeWen Xu SSLabGeorgia Tech Anonymous Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroG. Geshev MWR Labs working with Trend MicroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research LabSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research Labsakura Tencent Xuanwu Labjessica @babyjess1ca_ Tencent Keen Lab dwfault working at ADLab VenustechFluoroacetate Trend MicroSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroG. Geshev Trend Micro Zero Day InitiativeLiu Long Qihoo 360 Vulcan Team01 Trend Microsakura Tencent Xuanwu Labjessica @babyjess1ca_ Tencent Keen Lab dwfault working at ADLab VenustechG. Geshev MWR Labs working with Trend Micro Zero Day Initiativean anonymous researcher G. Geshev Trend Micro Zero Day InitiativeSuyoung Lee Sooel Son KAIST Web SecurityHyungSeok Han Sang Kil Cha KAIST SoftSec LabG. Geshev MWR Labs working with Trend Micro Zero Day InitiativeWen Xu SSLab at Georgia Tech01 Trend Micro Zero Day InitiativeFluoroacetate Trend MicroG. Geshev Trend Micro Zero Day InitiativeWen Xu SSLabGeorgia Tech Anonymous Trend Micro Zero Day InitiativeSamuel Groß Google Project ZeroG. Geshev MWR Labs working with Trend MicroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research LabSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroWen Xu SSLab at Georgia TechHanqing Zhao Chaitin Security Research Lab product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iTunes for Windows<12.9.5
12.9.5
Apple watchOS<5.2.1
5.2.1
Apple macOS Mojave<10.14.5
10.14.5
Apple High Sierra
Apple Sierra
Apple tvOS<12.3
12.3
Apple iOS<12.3
12.3
redhat/webkitgtk<2.24.0
2.24.0
Apple Icloud Windows<7.12
Apple Icloud Windows>=10.0<10.4
Apple Itunes Windows<12.9.5
Apple Safari<12.1.1
Apple iPhone OS<12.3
Apple Mac OS X<10.14.5
Apple tvOS<12.3
Apple watchOS<5.2.1

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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-2019-8623?

    CVE-2019-8623 is a vulnerability related to WebKit that involves multiple memory corruption issues and has been fixed in various Apple operating systems and software.

  • How severe is CVE-2019-8623?

    CVE-2019-8623 has a severity rating of 8.8, which is considered high.

  • Which software versions are affected by CVE-2019-8623?

    CVE-2019-8623 affects iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, Safari 12.1.1, iTunes for Windows 12.9.5, and iCloud for Windows 7.12.

  • How can I fix CVE-2019-8623?

    To fix CVE-2019-8623, make sure you update your software to the fixed versions: iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, Safari 12.1.1, iTunes for Windows 12.9.5, and iCloud for Windows 7.12.

  • Where can I find more information about CVE-2019-8623?

    You can find more information about CVE-2019-8623 on the Apple support website. Here are some useful links: [HT210119](https://support.apple.com/en-us/HT210119), [HT210118](https://support.apple.com/en-us/HT210118), [HT210120](https://support.apple.com/en-us/HT210120).

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