What is the CVSS score of CVE-2025-43374?

CVE-2025-43374 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2025-43374?

Organizations using An out-of-bounds read should be aware of moderate risk from CVE-2025-43374, a stack-based buffer overflow vulnerability rated CVSS 4.3.

How to fix or mitigate CVE-2025-43374?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Apple CVE-2025-43374

MEDIUM

Stack-based Buffer Overflow (CWE-121)

2025-11-21 product-security@apple.com

Stack Overflow Apple Buffer Overflow

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

CVE Published

Nov 21, 2025 - 22:16 nvd

MEDIUM 4.3

DescriptionCVE.org

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, visionOS 2.5, macOS Sonoma 14.7.3, macOS Ventura 13.7.3, macOS Sequoia 15.5, watchOS 11.5. An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory.

AnalysisAI

An out-of-bounds read was addressed with improved bounds checking. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, visionOS 2.5, macOS Sonoma 14.7.3, macOS Ventura 13.7.3, macOS Sequoia 15.5, watchOS 11.5. An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Visionos, Apple Watchos.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.