CVE-2023-40400

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Sep 27, 2023
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

CVE-2023-404017.5The issue was addressed with additional permissions checks. This issue is fixed in macOS Ventura 13.6.1. An attacker may be able to access pCVE-2023-404025.5A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sonoma 14. An app may be able to access sensitiCVE-2023-404036.5The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, macOS MCVE-2023-404047.8A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sonoma 14.1. An app may be able to executCVE-2023-404053.3A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in macOS Sonoma 14.1. An app may be CVE-2023-404065.5The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7, macOS Ventura 13.6, macOS Sonoma 14. An app may beCVE-2023-404077.5The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denialCVE-2023-404085.3An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.1, watchOS 10.1, iCVE-2023-404097.8The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, macOS Monterey 12.7, watchOS 10, CVE-2023-40419.8Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerCVE-2023-404105.5An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.6, tvOS 17, macOS Monterey 12.7,CVE-2023-404115.5This issue was addressed with improved data protection. This issue is fixed in macOS Sonoma 14. An app may be able to access user-sensitive
CVE-2023-40400: Critical severity, CVSS 9.8 | Vulnix