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CVE-2025-43520

Apple Multiple Products Classic Buffer Overflow Vulnerability

Description

Apple watchOS, iOS, iPadOS, macOS, visionOS, and tvOS contain a classic buffer overflow vulnerability which could allow a malicious application to cause unexpected system termination or write kernel memory.

Recommended action

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

CISA remediation due date for U.S. federal agencies: 3 Apr 2026.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.