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CVE-2025-43520

MEDIUMCISA KEV

5.5

Description

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.

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published12/12/2025

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

CISA KEV

VendorApple

ProductMultiple Products

Vulnerability NameApple Multiple Products Classic Buffer Overflow Vulnerability

KEV Date Added2026-03-20

Remediation Due Date2026-04-03

Ransomware UseUnknown

Affected Products

apple:ipadosapple:iphone_osapple:macosapple:tvosapple:visionosapple:watchos

Weaknesses (CWE)

CWE-120

References

https://support.apple.com/en-us/125632(product-security@apple.com)

https://support.apple.com/en-us/125633(product-security@apple.com)

https://support.apple.com/en-us/125634(product-security@apple.com)

https://support.apple.com/en-us/125635(product-security@apple.com)

https://support.apple.com/en-us/125636(product-security@apple.com)

https://support.apple.com/en-us/125637(product-security@apple.com)

https://support.apple.com/en-us/125638(product-security@apple.com)

https://support.apple.com/en-us/125639(product-security@apple.com)

https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43520(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.