CVE-2023-40385 Information disclosure in Safari
Remote attackers can view leaked DNS queries when Private Relay is enabled, affecting Apple operating systems and Safari.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-40385?
CVE-2023-40385 is a medium-severity vulnerability in Apple Ipados, published on 10 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sonoma 14, Safari 17, iOS 17 and iPadOS 17. A remote attacker may be able to view leaked DNS queries with Private Relay turned on.
Weakness: CWE-200
Which versions are affected by CVE-2023-40385?
It affects 4 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari.
How do I fix CVE-2023-40385?
No fix has been published for CVE-2023-40385 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-40385 being exploited?
There is no known exploitation of CVE-2023-40385 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-42hw-x9jg-7942.