What’s Vulnerable › Vulnerabilities

CVE-2022-22638

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-18 · updated 2026-06-17
• Weakness: CWE-476

Description

A null pointer dereference was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. An attacker in a privileged position may be able to perform a denial of service attack.

Affected products

• Apple iPadOS: before 15.4 — fixed in 15.4
• Apple Iphone Os: before 15.4 — fixed in 15.4
• macOS: from 10.15 before 10.15.7; 10.15.7-security_update_2022-001, 10.15.7-security_update_2022-002 — fixed in 10.15.7
• Apple macOS: from 11.6 before 11.6.5; from 12.0 before 12.3; 10.15.7 — fixed in 11.6.5, 12.3
• Apple tvOS: before 15.4 — fixed in 15.4
• Apple watchOS: before 8.5 — fixed in 8.5

How to fix

Upgrade to a fixed version: Apple iPadOS 15.4; Apple Iphone Os 15.4; macOS 10.15.7; Apple macOS 11.6.5, 12.3; Apple tvOS 15.4; Apple watchOS 8.5. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213182
• https://support.apple.com/en-us/HT213183
• https://support.apple.com/en-us/HT213184
• https://support.apple.com/en-us/HT213185
• https://support.apple.com/en-us/HT213186
• https://support.apple.com/en-us/HT213193
• https://support.apple.com/en-us/HT213182
• https://support.apple.com/en-us/HT213183
• https://support.apple.com/en-us/HT213184
• https://support.apple.com/en-us/HT213185
• https://support.apple.com/en-us/HT213186
• https://support.apple.com/en-us/HT213193

Get alerted when CVE-2022-22638 or the next vulnerability affects your stack