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Critical · 10.0 Known exploited Public exploit CVE-2025-43300 EUVD-2025-25409GHSA-cpwx-wfp4-x368

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 …

Published Aug 21, 2025 · Updated Apr 2, 2026 · Assigned by apple

Vendor: Apple Product: iOS and iPadOS Product: iPadOS Product: macOS Platform: iOS Platform: macOS

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.

Affected products

VendorProductAffectedFixed
Apple iOS and iPadOS < 15.8.5, < 16.7.12, < 18.6.2 15.8.5
Apple iPadOS < 17.7.10 17.7.10
Apple macOS < 13.7.8, < 14.7.8, < 15.6.1 13.7.8

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 5 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References