CVE-2023-42883 Denial of service in Safari
An attacker can cause a denial-of-service condition by processing a specially crafted image in Apple Safari and related operating systems.
- 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
- Available
What is CVE-2023-42883?
CVE-2023-42883 is a medium-severity denial of service vulnerability in Apple Ipados, published on 12 Dec 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 Safari 17.2, macOS Sonoma 14.2, iOS 17.2 and iPadOS 17.2, watchOS 10.2, tvOS 17.2, iOS 16.7.3 and iPadOS 16.7.3. Processing an image may lead to a denial-of-service.
Which versions are affected by CVE-2023-42883?
It affects 7 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Tvos, Apple Watchos and 1 more.
How do I fix CVE-2023-42883?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-42883 being exploited?
There is no known exploitation of CVE-2023-42883 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-2023-42883, DSA-5580-1, GHSA-r8h5-fm59-g356, UBUNTU-CVE-2023-42883, USN-6582-1.