🛡️ CVE-2025-43300
🔴 CVSS 10.0 — Critical ⚠️ Exploit Public CWE-787 NVD
10.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

Details

Severity CRITICAL
CVSS Score 10.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-787
Public Exploit ⚠️ Yes
Source NVD
Published 2025-08-21
Updated 2026-06-02
Modified 2026-04-03
Fix URL N/A

Affected Packages

Software From version Fixed in
ipados 18.0 18.6.2
iphone-os 17.0 18.6.2
macos 15.0 15.6.1

References

Release Notes, Vendor Advisory https://support.apple.com/en-us/124925
Release Notes, Vendor Advisory https://support.apple.com/en-us/124926
Release Notes, Vendor Advisory https://support.apple.com/en-us/124927
Release Notes, Vendor Advisory https://support.apple.com/en-us/124928
Release Notes, Vendor Advisory https://support.apple.com/en-us/124929
Release Notes, Vendor Advisory https://support.apple.com/en-us/125141
Release Notes, Vendor Advisory https://support.apple.com/en-us/125142
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2025/Sep/10
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2025/Sep/14
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2025/Sep/52

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