CVE-2023-42849 Security feature bypass in iOS and iPadOS
An attacker with kernel code execution can bypass kernel memory mitigations in Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-42849?
CVE-2023-42849 is a medium-severity vulnerability in Apple Ipados, published on 25 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Ventura 13.6.1, macOS Sonoma 14.1. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
Weakness: CWE-119
Which versions are affected by CVE-2023-42849?
It affects 4 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Watchos.
How do I fix CVE-2023-42849?
No fix has been published for CVE-2023-42849 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-42849 being exploited?
There is no known exploitation of CVE-2023-42849 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-4fc2-j39p-mv7v.