What’s Vulnerable › Vulnerabilities

CVE-2023-23512

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-27 · updated 2026-06-17

Description

The issue was addressed with improved handling of caches. This issue is fixed in watchOS 9.3, tvOS 16.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. Visiting a website may lead to an app denial-of-service.

Affected products

• Apple iPadOS: before 16.3 — fixed in 16.3
• Apple Iphone Os: before 16.3 — fixed in 16.3
• Apple macOS: from 13.0 before 13.2 — fixed in 13.2
• Apple tvOS: before 16.3 — fixed in 16.3
• Apple watchOS: before 9.3 — fixed in 9.3

How to fix

Upgrade to a fixed version: Apple iPadOS 16.3; Apple Iphone Os 16.3; Apple macOS 13.2; Apple tvOS 16.3; Apple watchOS 9.3. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213599
• https://support.apple.com/en-us/HT213601
• https://support.apple.com/en-us/HT213605
• https://support.apple.com/en-us/HT213606
• https://support.apple.com/en-us/HT213599
• https://support.apple.com/en-us/HT213601
• https://support.apple.com/en-us/HT213605
• https://support.apple.com/en-us/HT213606

Get alerted when CVE-2023-23512 or the next vulnerability affects your stack