CVE-2026-65337 Denial of service in Safari
Attackers can cause unexpected Safari crashes by delivering maliciously crafted web content, affecting users of Apple browsers and operating systems.
- 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-2026-65337?
CVE-2026-65337 is a medium-severity denial of service vulnerability in Apple Ipados, published on 17 Aug 2026. 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 through improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Which versions are affected by CVE-2026-65337?
It affects 4 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari.
How do I fix CVE-2026-65337?
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-2026-65337 being exploited?
There is no known exploitation of CVE-2026-65337 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-2026-65337, ECHO-be4a-c4ef-6e87, GHSA-4mpc-p27j-hqg2.