CVE-2025-43312

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:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.8, macOS Sequoia 15.7. An app may be able to cause unexpected system termination.

Analysis

A buffer overflow 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 Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.8, macOS Sequoia 15.7. An app may be able to cause unexpected system termination. Affected products include: Apple Macos.

Affected Products

Apple Macos.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

Priority Score

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

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CVE-2025-43312 vulnerability details – vuln.today
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