What’s Vulnerable › Vulnerabilities

CVE-2022-42837

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-15 · updated 2026-06-17
• Weakness: CWE-20

Description

An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in iOS 16.2 and iPadOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, watchOS 9.2. A remote user may be able to cause unexpected app termination or arbitrary code execution.

Affected products

• Apple iPadOS: from 15.0 before 15.7.2; from 16.0 before 16.2 — fixed in 15.7.2, 16.2
• Apple Iphone Os: from 15.0 before 15.7.2; from 16.0 before 16.2 — fixed in 15.7.2, 16.2
• Apple macOS: 13.0
• Apple watchOS: before 9.2 — fixed in 9.2

How to fix

Upgrade to a fixed version: Apple iPadOS 15.7.2, 16.2; Apple Iphone Os 15.7.2, 16.2; Apple watchOS 9.2. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2022/Dec/20
• http://seclists.org/fulldisclosure/2022/Dec/21
• http://seclists.org/fulldisclosure/2022/Dec/23
• http://seclists.org/fulldisclosure/2022/Dec/27
• https://support.apple.com/en-us/HT213530
• https://support.apple.com/en-us/HT213531
• https://support.apple.com/en-us/HT213532
• https://support.apple.com/en-us/HT213536
• https://support.apple.com/kb/HT213535
• http://seclists.org/fulldisclosure/2022/Dec/20
• http://seclists.org/fulldisclosure/2022/Dec/21
• http://seclists.org/fulldisclosure/2022/Dec/23

Get alerted when CVE-2022-42837 or the next vulnerability affects your stack