CVE-2023-30774: Apple macOS

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was found in the libtiff library. This flaw causes a heap buffer overflow issue via the TIFFTAG_INKNAMES and TIFFTAG_NUMBEROFINKS values.

Affected products

• Apple macOS: before 14.1 (fixed in 14.1)
• Libtiff Libtiff: from 3.5.1, up to and including 4.4.0

Published 2023-05-19. Last modified 2026-06-17.