What is the CVSS score of CVE-2025-43284?

CVE-2025-43284 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2025-43284?

Organizations using An out-of-bounds read should be aware of moderate risk from CVE-2025-43284, a out-of-bounds read vulnerability rated CVSS 5.5.

How to fix or mitigate CVE-2025-43284?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Apple CVE-2025-43284

MEDIUM

Out-of-bounds Read (CWE-125)

2025-08-29 product-security@apple.com

Buffer Overflow Apple Information Disclosure

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

CVE Published

Aug 29, 2025 - 01:15 nvd

MEDIUM 5.5

DescriptionCVE.org

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.7.7, macOS Ventura 13.7.7, macOS Sequoia 15.6. An app may be able to cause unexpected system termination.

AnalysisAI

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

Technical ContextAI

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 Sonoma 14.7.7, macOS Ventura 13.7.7, macOS Sequoia 15.6. An app may be able to cause unexpected system termination. Affected products include: Apple Macos.

RemediationAI

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.