What’s Vulnerable › Vulnerabilities

CVE-2023-27937

• 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-190

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, macOS Big Sur 11.7.5, macOS Monterey 12.6.4, tvOS 16.4, watchOS 9.4. Parsing a maliciously crafted plist may lead to an unexpected app termination or arbitrary code execution.

Affected products

• Apple iPadOS: before 16.4 — fixed in 16.4
• Apple Iphone Os: before 16.4 — fixed in 16.4
• Apple macOS: 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
• Apple tvOS: before 16.4 — fixed in 16.4
• Apple watchOS: before 9.4 — fixed in 9.4

How to fix

Upgrade to a fixed version: Apple iPadOS 16.4; Apple Iphone Os 16.4; Apple macOS 11.7.5, 12.6.4, 13.3; Apple tvOS 16.4; Apple watchOS 9.4. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213674
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213677
• https://support.apple.com/en-us/HT213678
• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213674
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213677
• https://support.apple.com/en-us/HT213678

Get alerted when CVE-2023-27937 or the next vulnerability affects your stack