CVE-2019-8523: Critical 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, 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
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-2019-6232
- CVE-2019-6236
- CVE-2019-6204
- CVE-2019-8505
- CVE-2019-8538
- CVE-2019-8511
- CVE-2019-8512
- CVE-2019-8550
- CVE-2019-8565
- CVE-2019-8521
- CVE-2019-8504
- CVE-2019-8529
- CVE-2019-7284
- CVE-2019-8546
- CVE-2019-8541
- CVE-2019-8566
- CVE-2019-8554
- CVE-2019-6222
- CVE-2019-8567
Frequently Asked Questions
What is CVE-2019-8523?
CVE-2019-8523 is a vulnerability in WebKit that could allow arbitrary code execution.
How does CVE-2019-8523 impact iOS?
iOS versions up to and excluding 12.2 are affected by CVE-2019-8523, allowing potential arbitrary code execution.
Is Safari affected by CVE-2019-8523?
Yes, Safari versions up to and excluding 12.1 are affected by CVE-2019-8523, which could lead to arbitrary code execution.
What is the severity of CVE-2019-8523?
CVE-2019-8523 has a severity rating of 8.8 (critical).
How can I fix CVE-2019-8523?
To fix CVE-2019-8523, update your software to iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, or iCloud for Windows 7.11.