What’s Vulnerable › Vulnerabilities

CVE-2019-8833

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-27 · updated 2026-06-17
• Weakness: CWE-787

Description

A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in iOS 13.3 and iPadOS 13.3, watchOS 6.1.1, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, tvOS 13.3. An application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple iPadOS: before 13.3 — fixed in 13.3
• Apple Iphone Os: before 13.3 — fixed in 13.3
• macOS: before 10.5.2 — fixed in 10.5.2
• Apple tvOS: before 13.3 — fixed in 13.3
• Apple watchOS: before 6.1.1 — fixed in 6.1.1

How to fix

Upgrade to a fixed version: Apple iPadOS 13.3; Apple Iphone Os 13.3; macOS 10.5.2; Apple tvOS 13.3; Apple watchOS 6.1.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT210785
• https://support.apple.com/en-us/HT210788
• https://support.apple.com/en-us/HT210789
• https://support.apple.com/en-us/HT210790
• https://support.apple.com/en-us/HT210785
• https://support.apple.com/en-us/HT210788
• https://support.apple.com/en-us/HT210789
• https://support.apple.com/en-us/HT210790

Get alerted when CVE-2019-8833 or the next vulnerability affects your stack