CVE-2025-43380

MEDIUM
2025-11-04 [email protected]
5.5
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:20 vuln.today
CVE Published
Nov 04, 2025 - 02:15 nvd
MEDIUM 5.5

Tags

Memory Corruption Apple Buffer Overflow

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Tahoe 26.1, macOS Sonoma 14.8.2. Parsing a file may lead to an unexpected app termination.

Analysis

An out-of-bounds write issue was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Tahoe 26.1, macOS Sonoma 14.8.2. Parsing a file may lead to an unexpected app 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. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

Priority Score

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

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CVE-2025-43380 vulnerability details – vuln.today
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