What is the CVSS score of CVE-2025-43373?

CVE-2025-43373 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of Apple are affected by CVE-2025-43373?

Organizations using The face notable risk from CVE-2025-43373, a buffer overflow vulnerability rated CVSS 7.5.

How to fix or mitigate CVE-2025-43373?

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

Apple CVE-2025-43373

HIGH

Buffer Overflow (CWE-119)

2025-11-04 product-security@apple.com

Apple Buffer Overflow

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

CVE Published

Nov 04, 2025 - 02:15 nvd

HIGH 7.5

DescriptionCVE.org

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.2, macOS Tahoe 26.1, macOS Sonoma 14.8.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

AnalysisAI

The issue was addressed with improved memory handling. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.2, macOS Tahoe 26.1, macOS Sonoma 14.8.2. An app may be able to cause unexpected system termination or corrupt kernel memory. Affected products include: Apple Macos.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.