What’s Vulnerable › Vulnerabilities

CVE-2019-8560

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-18 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to read restricted memory.

Affected products

• Apple Iphone Os: before 12.3 — fixed in 12.3
• macOS: before 10.14.5 — fixed in 10.14.5
• Apple tvOS: before 12.3 — fixed in 12.3
• Apple watchOS: before 5.2.1 — fixed in 5.2.1

How to fix

Upgrade to a fixed version: Apple Iphone Os 12.3; macOS 10.14.5; Apple tvOS 12.3; Apple watchOS 5.2.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/HT210118
• https://support.apple.com/HT210119
• https://support.apple.com/HT210120
• https://support.apple.com/HT210122
• https://support.apple.com/HT210118
• https://support.apple.com/HT210119
• https://support.apple.com/HT210120
• https://support.apple.com/HT210122

Get alerted when CVE-2019-8560 or the next vulnerability affects your stack