CVE-2019-8743: High severity tvos vulnerability

Published Sep 24, 2019
·
Updated

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 6.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Other sources

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

WebKitGTK Security Advisory WSA-2019-0006 describes the following issue:

CVE-2019-8743

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling.

Versions affected: WebKitGTK before 2.26.0 and WPE WebKit before 2.26.0.

— Red Hat

Credit

found by OSS-Fuzz, zhunki(Codesafe Team of Legendsec at Qi), Dongzhuo Zhao(ADLab of Venustech), Sergei Glazunov(Google Project Zero), Samuel Groß(Google Project Zero), an anonymous researcher(Trend Micro), cc(Trend Micro Zero Day Initiative), Jihui Lu(Tencent KeenLab), Junho Jang(LINE Security Team), Hanul Choi(ABLY Corporation), G. Geshev(Trend Micro Zero Day Initiative), Soyeon Park(SSLab at Georgia Tech), JunDong Xie(Ant)

Affected Software

10 affected componentsFixes available
redhat/webkitgtk<2.26.0
2.26.0
Apple tvOS<13
13
Apple WatchOS<6.1
6.1
Apple WatchOS<6.1
Apple iCloud for Windows<7.14
7.14
Apple iCloud for Windows<10.7
10.7
Apple iTunes for Windows<12.10.1
12.10.1
Apple Safari<13.0.1
13.0.1
Apple iOS<13.1
13.1
Apple iPadOS<13.1
13.1

Event History

Dec 18, 2019
CVE Published
via MITRE·05:33 PM
Data Sourced
via MITRE·05:33 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2019-8743?

CVE-2019-8743 is a vulnerability in WebKit that allows arbitrary code execution when processing maliciously crafted web content.

2

What is the severity of CVE-2019-8743?

CVE-2019-8743 has a severity score of 8.8, which is considered high.

3

How can I fix CVE-2019-8743 in WatchOS?

To fix CVE-2019-8743 in WatchOS, update to version 6.1 or later.

4

What other software is affected by CVE-2019-8743?

CVE-2019-8743 also affects Safari, iCloud for Windows, iTunes for Windows, tvOS, iOS, and iPadOS.

5

Where can I find more information about CVE-2019-8743?

You can find more information about CVE-2019-8743 on the Apple support website: [link1], [link2], [link3].

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203