CVE-2025-43186 Memory corruption in iOS and iPadOS
Attackers can cause unexpected app termination by parsing a malicious file, affecting users of Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43186?
CVE-2025-43186 is a critical memory corruption vulnerability in Apple Ipados, published on 29 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Parsing a file may lead to an unexpected app termination.
Weakness: CWE-119
Which versions are affected by CVE-2025-43186?
It affects 6 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos, Apple Watchos.
How do I fix CVE-2025-43186?
No fix has been published for CVE-2025-43186 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-43186 being exploited?
There is no known exploitation of CVE-2025-43186 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-j2g9-g34g-3vxh.