CVE-2025-43353

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

Memory Corruption Buffer Overflow Apple

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14.8, macOS Sequoia 15.7. Processing a maliciously crafted string may lead to heap corruption.

Analysis

The issue was addressed with improved bounds checks. 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 Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14.8, macOS Sequoia 15.7. Processing a maliciously crafted string may lead to heap corruption. 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-2025-43353 vulnerability details – vuln.today
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