CVE-2019-8592: Apple iPhone OS

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, tvOS 12.3, watchOS 5.2.1, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, iOS 12.3, iOS 13. Playing a malicious audio file may lead to arbitrary code execution.

Affected products

• Apple iPhone OS: before 12.3 (fixed in 12.3); from 12.3.1, before 13.0 (fixed in 13.0)
• Apple Mac OS X: from 10.12.6, up to and including 10.14.5; from 10.14.6, before 10.15 (fixed in 10.15)
• Apple tvOS: before 12.3 (fixed in 12.3); from 12.4, before 13 (fixed in 13)
• Apple watchOS: before 5.2.1 (fixed in 5.2.1)

Published 2020-10-27. Last modified 2026-06-17.