CVE-2023-40436

CRITICAL

Apple Macos < 14.0 - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. An attacker may be able to cause unexpected system termination or read kernel memory.

References (3)

Core 3
Core References
Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Oct/3
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213940

Scores

CVSS v3 9.1
EPSS 0.0039
EPSS Percentile 60.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-125
Status published
Products (1)
apple/macos < 14.0
Published Sep 27, 2023
Tracked Since Feb 18, 2026