CVE-2025-43520Apple Multiple Products Classic Buffer Overflow Vulnerability

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.

5.5 MEDIUMEPSS 0.42%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-10-07 11:10 UTC

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
5.5	MEDIUM	3.1NVD	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA required action

⚡ Known exploited · remediation due Apr 3, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Details

CVE ID: CVE-2025-43520
Status: Analyzed
Assigner (CNA): apple
Published: Dec 12, 2025
Last modified: 2026-10-07 11:10 UTC
Weaknesses: CWE-120

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 09:36 UTC.