What’s Vulnerable › Vulnerabilities

CVE-2023-32420

• Severity: high (CVSS 7.1 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: 2023-06-23 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 16.5 and iPadOS 16.5, watchOS 9.5, tvOS 16.5, macOS Ventura 13.4. An app may be able to cause unexpected system termination or read kernel memory.

Affected products

• Apple iPadOS: before 16.5 — fixed in 16.5
• Apple Iphone Os: before 16.5 — fixed in 16.5
• Apple macOS: from 13.0 before 13.4 — fixed in 13.4
• Apple tvOS: before 16.5 — fixed in 16.5
• Apple watchOS: before 9.5 — fixed in 9.5

How to fix

Upgrade to a fixed version: Apple iPadOS 16.5; Apple Iphone Os 16.5; Apple macOS 13.4; Apple tvOS 16.5; Apple watchOS 9.5. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213757
• https://support.apple.com/en-us/HT213758
• https://support.apple.com/en-us/HT213761
• https://support.apple.com/en-us/HT213764
• https://support.apple.com/en-us/HT213757
• https://support.apple.com/en-us/HT213758
• https://support.apple.com/en-us/HT213761
• https://support.apple.com/en-us/HT213764

Get alerted when CVE-2023-32420 or the next vulnerability affects your stack