CVE-2023-40391 Information disclosure in Xcode
An app can disclose kernel memory, potentially exposing sensitive data to attackers on Apple operating systems and Xcode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-40391?
CVE-2023-40391 is a medium-severity vulnerability in Apple Ipados, published on 26 Sep 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, macOS Sonoma 14, Xcode 15. An app may be able to disclose kernel memory.
Which versions are affected by CVE-2023-40391?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Xcode.
How do I fix CVE-2023-40391?
No fix has been published for CVE-2023-40391 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-40391 being exploited?
There is no known exploitation of CVE-2023-40391 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-2wwc-c62q-7wrf.