CVE-2023-27948: Apple macOS

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3. Processing an image may result in disclosure of process memory.

Affected products

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

Published 2023-08-14. Last modified 2026-06-17.