What’s Vulnerable › Vulnerabilities

CVE-2023-42839

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-21 · updated 2026-06-17
• Weakness: CWE-922

Description

This issue was addressed with improved state management. This issue is fixed in tvOS 17.1, watchOS 10.1, macOS Sonoma 14.1, iOS 17.1 and iPadOS 17.1. An app may be able to access sensitive user data.

Affected products

• Apple Ipad Os: before 17.1 — fixed in 17.1
• Apple Iphone Os: before 17.1 — fixed in 17.1
• Apple macOS: 14.0
• Apple tvOS: before 17.1 — fixed in 17.1
• Apple watchOS: before 10.1 — fixed in 10.1

How to fix

Upgrade to a fixed version: Apple Ipad Os 17.1; Apple Iphone Os 17.1; Apple tvOS 17.1; Apple watchOS 10.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213982
• https://support.apple.com/en-us/HT213984
• https://support.apple.com/en-us/HT213987
• https://support.apple.com/en-us/HT213988
• https://support.apple.com/en-us/HT213982
• https://support.apple.com/en-us/HT213984
• https://support.apple.com/en-us/HT213987
• https://support.apple.com/en-us/HT213988
• https://support.apple.com/kb/HT213982
• https://support.apple.com/kb/HT213984
• https://support.apple.com/kb/HT213988

Get alerted when CVE-2023-42839 or the next vulnerability affects your stack