CVE-2023-23513: Apple macOS

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.7.3, macOS Ventura 13.2, macOS Monterey 12.6.3. Mounting a maliciously crafted Samba network share may lead to arbitrary code execution.

Affected products

• Apple macOS: before 11.7.3 (fixed in 11.7.3); from 12.0, before 12.6.3 (fixed in 12.6.3); from 13.0, before 13.2 (fixed in 13.2)

Published 2023-02-27. Last modified 2026-06-17.