What’s Vulnerable › Vulnerabilities

CVE-2023-23513

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-27 · updated 2026-06-17
• Weakness: CWE-120

Description

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; from 12.0 before 12.6.3; from 13.0 before 13.2 — fixed in 11.7.3, 12.6.3, 13.2

How to fix

Upgrade to a fixed version: Apple macOS 11.7.3, 12.6.3, 13.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213603
• https://support.apple.com/en-us/HT213604
• https://support.apple.com/en-us/HT213605
• https://support.apple.com/en-us/HT213603
• https://support.apple.com/en-us/HT213604
• https://support.apple.com/en-us/HT213605
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1660

Get alerted when CVE-2023-23513 or the next vulnerability affects your stack