What’s Vulnerable › Vulnerabilities

CVE-2023-27946

• 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: 2023-05-08 · 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 Ventura 13.3, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

Affected products

• Apple iPadOS: before 15.7.4 — fixed in 15.7.4
• Apple Iphone Os: before 15.7.4 — fixed in 15.7.4
• Apple macOS: from 11.0 before 11.7.5; from 12.0 before 12.6.4; from 13.0 before 13.3 — fixed in 11.7.5, 12.6.4, 13.3

How to fix

Upgrade to a fixed version: Apple iPadOS 15.7.4; Apple Iphone Os 15.7.4; Apple macOS 11.7.5, 12.6.4, 13.3. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213673
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213677
• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213673
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213677

Get alerted when CVE-2023-27946 or the next vulnerability affects your stack