What’s Vulnerable › Vulnerabilities

CVE-2023-42886

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-12 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.2, macOS Ventura 13.6.3, macOS Monterey 12.7.2. A user may be able to cause unexpected app termination or arbitrary code execution.

Affected products

• Apple macOS: from 12.0.0 before 12.7.2; from 13.0 before 13.6.3; from 14.0 before 14.2 — fixed in 12.7.2, 13.6.3, 14.2

How to fix

Upgrade to a fixed version: Apple macOS 12.7.2, 13.6.3, 14.2. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Dec/10
• http://seclists.org/fulldisclosure/2023/Dec/11
• http://seclists.org/fulldisclosure/2023/Dec/9
• https://support.apple.com/en-us/HT214036
• https://support.apple.com/en-us/HT214037
• https://support.apple.com/en-us/HT214038
• http://seclists.org/fulldisclosure/2023/Dec/10
• http://seclists.org/fulldisclosure/2023/Dec/11
• http://seclists.org/fulldisclosure/2023/Dec/9
• https://support.apple.com/en-us/HT214036
• https://support.apple.com/en-us/HT214037
• https://support.apple.com/en-us/HT214038

Get alerted when CVE-2023-42886 or the next vulnerability affects your stack