CVE-2025-43377

Out-of-Bounds Read Causing DoS in Apple iOS, iPadOS, and macOS

Published Nov 4, 2025 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Tahoe 26.1. An app may be able to cause a denial-of-service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Out-of-Bounds Read Causing DoS in Apple iOS, iPadOS, and macOS
Type Values Removed Values Added
Description An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. An app may be able to cause a denial-of-service. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Tahoe 26.1. An app may be able to cause a denial-of-service.
References
Type Values Removed Values Added
Description An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.2. An app may be able to cause a denial-of-service. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. An app may be able to cause a denial-of-service.
References
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Apple macos Sequoia
Vendors & Products Apple
Apple macos
Apple macos Sequoia
Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.2. An app may be able to cause a denial-of-service.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Apr 2, 2026, 6:15 PM
Reserved
Apr 16, 2025, 3:24 PM
Status
Modified
Published
Nov 4, 2025, 2:15 AM
Modified
Sep 26, 2026, 12:10 AM