CVE-2023-23518 Memory corruption in Safari
Attackers can execute arbitrary code by tricking users into visiting malicious web content in Safari or other Apple applications.
- 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
- Available
What is CVE-2023-23518?
CVE-2023-23518 is a high-severity memory corruption vulnerability in Apple Ipados, published on 27 Feb 2023. 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
The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13.2, watchOS 9.3, macOS Big Sur 11.7.3, Safari 16.3, tvOS 16.3, iOS 16.3 and iPadOS 16.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2023-23518?
It affects 6 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Tvos, Apple Watchos.
How do I fix CVE-2023-23518?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-23518 being exploited?
There is no known exploitation of CVE-2023-23518 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 DEBIAN-CVE-2023-23518, GHSA-9cf9-qjr8-c7jw, UBUNTU-CVE-2023-23518.