CVE-2019-8558: High severity Apple tvOS vulnerability
Last updated 25 August 2025
Other sources
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.
— Launchpad
Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.
Reference: https://webkitgtk.org/security/WSA-2019-0002.html https://wpewebkit.org/security/WSA-2019-0002.html
— Red Hat
WebKit. Multiple memory corruption issues were addressed with improved memory handling.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2019-6203
- CVE-2019-8516
- CVE-2019-8552
- CVE-2019-8542
- CVE-2019-8906
- CVE-2019-7286
- CVE-2019-8553
- CVE-2019-8545
- CVE-2019-5608
- CVE-2019-8547
- CVE-2019-8525
- CVE-2019-8527
- CVE-2019-8528
- CVE-2019-8540
- CVE-2019-8514
- CVE-2019-7293
- CVE-2019-6207
- CVE-2019-8510
- CVE-2019-8532
- CVE-2019-8549
- CVE-2019-8618
- CVE-2019-8531
- CVE-2019-8502
- CVE-2019-8517
- CVE-2019-8551
- CVE-2019-8535
- CVE-2019-6201
- CVE-2019-8518
- CVE-2019-8523
- CVE-2019-8524
- CVE-2019-8558
- CVE-2019-8559
- CVE-2019-8563
- CVE-2019-8638
- CVE-2019-8639
- CVE-2019-8562
- CVE-2019-8515
- CVE-2019-8536
- CVE-2019-8544
- CVE-2019-7285
- CVE-2019-8556
- CVE-2019-8506
- CVE-2019-8503
- CVE-2019-7292
- CVE-2019-8530
- CVE-2019-8538
- CVE-2019-8511
- CVE-2019-8546
- CVE-2019-8548
- CVE-2019-8541
- CVE-2019-6232
- CVE-2019-6236
- CVE-2019-6204
- CVE-2019-8505
- CVE-2019-8512
- CVE-2019-8550
- CVE-2019-8565
- CVE-2019-8521
- CVE-2019-8504
- CVE-2019-8529
- CVE-2019-7284
- CVE-2019-8566
- CVE-2019-8554
- CVE-2019-6222
- CVE-2019-8567
Frequently Asked Questions
What is CVE-2019-8558?
CVE-2019-8558 is a vulnerability in WebKit that could allow arbitrary code execution.
What is the severity of CVE-2019-8558?
The severity of CVE-2019-8558 is high, with a CVSS score of 8.8.
Which software versions are affected by CVE-2019-8558?
iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, and iCloud for Windows 7.11 are affected by CVE-2019-8558.
How can CVE-2019-8558 be fixed?
CVE-2019-8558 can be fixed by upgrading to the fixed versions: iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, and iCloud for Windows 7.11.
What is the Common Weakness Enumeration (CWE) for CVE-2019-8558?
The CWE for CVE-2019-8558 is CWE-787, which represents Out-of-bounds Write.