CVE-2025-43520: Apple Multiple Products Classic Buffer Overflow Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: Apple Multiple Products Classic Buffer Overflow Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required 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.
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.
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Apple: iOS and iPadOSApple: macOSApple: tvOSApple: visionOSApple: watchOS
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- support.apple.com/en-us/125632 (opens in new tab)
- support.apple.com/en-us/125633 (opens in new tab)
- support.apple.com/en-us/125634 (opens in new tab)
- support.apple.com/en-us/125635 (opens in new tab)
- support.apple.com/en-us/125636 (opens in new tab)
- support.apple.com/en-us/125637 (opens in new tab)
- support.apple.com/en-us/125638 (opens in new tab)
- support.apple.com/en-us/125639 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)