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

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?

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

Related News Articles

Apple expands iOS 18 updates to more iPhones to block DarkSword attacksApril 2, 2026

CISA orders feds to patch DarkSword iOS flaws exploited attacksMarch 23, 2026

CISA Flags Apple, Craft CMS, Laravel Bugs in KEV, Orders Patching by April 3, 2026March 21, 2026