CVE-2023-27957: Apple macOS

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

Affected products

• Apple macOS: from 13.0, before 13.3 (fixed in 13.3)

Published 2023-05-08. Last modified 2026-06-17.