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

PUBLISHEDvulnerability record
2026-03-20 · last modified March 27, 2026

Metadata

CVE ID:
CVE-2025-43520
Project:
Apple
Product:
Multiple Products
Date Added:
2026-03-20
Due Date:
2026-04-03
Last Updated:
March 27, 2026

Vulnerability Name

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

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.

Additional Notes

  • https://support.apple.com/en-us/125632
  • https://support.apple.com/en-us/125633
  • https://support.apple.com/en-us/125634
  • https://support.apple.com/en-us/125635
  • https://support.apple.com/en-us/125636
  • https://support.apple.com/en-us/125637
  • https://support.apple.com/en-us/125638
  • https://support.apple.com/en-us/125639
  • https://nvd.nist.gov/vuln/detail/CVE-2025-43520

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