H3XAOperational intelligence
Live analytical pictureEvidence before assessment
Threat intelligence / Vulnerability

CVE-2025-43520

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.

Vulnerability
TypeVulnerability
External ID—
First seen2026-03-20
Last seen2026-03-20

Confidence

—

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.

Labels

exploitedkev

CISA KEV context

Vendor / productApple Multiple Products
Added2026-03-20
Due date2026-04-03
14 recorded

Relationships

mitigates
from Remediate CVE-2025-43520
Mitigation
related-to
to Buffer Overflow in an API Call
Technique
related-to
to Buffer Overflow in Local Command-Line Utilities
Technique
related-to
to Buffer Overflow via Environment Variables
Technique
related-to
to Buffer Overflow via Parameter Expansion
Technique
related-to
to Buffer Overflow via Symbolic Links
Technique
related-to
to Client-side Injection-induced Buffer Overflow
Technique
related-to
to Filter Failure through Buffer Overflow
Technique
related-to
to Forced Integer Overflow
Technique
related-to
to MIME Conversion
Technique
related-to
to Overflow Binary Resource File
Technique
related-to
to Overflow Buffers
Technique
related-to
to Overflow Variables and Tags
Technique
related-to
to String Format Overflow in syslog()
Technique
2 external

References

nvd
CVE-2025-43520
open
cwe
CWE-120
open
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