CVE-2025-43366

MEDIUM
2025-09-15 [email protected]
5.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:12 vuln.today
CVE Published
Sep 15, 2025 - 23:15 nvd
MEDIUM 5.5

Tags

Buffer Overflow Apple Information Disclosure macOS

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Tahoe 26. An app may be able to disclose coprocessor memory.

Analysis

An out-of-bounds read was addressed with improved bounds checking. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Tahoe 26. An app may be able to disclose coprocessor memory. Affected products include: Apple Macos.

Affected Products

Apple Macos.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2025-43366 vulnerability details – vuln.today
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