CVE-2023-32373 Apple Multiple Products WebKit Use-After-Free
Attackers can execute arbitrary code by tricking users into visiting malicious web content in Safari or WebKit-based apps.
- Exploited in the wild
- Since 22 May 2023
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-32373?
CVE-2023-32373 is a high-severity use after free vulnerability in Apple Ipados, published on 23 Jun 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
A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Weakness: CWE-416
Which versions are affected by CVE-2023-32373?
It affects 8 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Tvos, Apple Watchos and 2 more.
How do I fix CVE-2023-32373?
Apply the vendor's patch. US federal agencies must fix it by 12 Jun 2023.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-32373 being exploited?
Yes. Attackers have exploited CVE-2023-32373 in the wild since at least 22 May 2023.
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-2023-32373, GHSA-3x5r-c923-f923, UBUNTU-CVE-2023-32373.