CVE-2021-1761 Denial of service in iOS and iPadOS
A remote attacker can cause a denial of service on Apple operating systems, requiring users to apply security updates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1761?
CVE-2021-1761 is a high-severity denial of service vulnerability in Apple Ipad Os, published on 2 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause a denial of service.
Which versions are affected by CVE-2021-1761?
It affects 6 products.
Products include Apple Ipad Os, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2021-1761?
No fix has been published for CVE-2021-1761 yet. Limit exposure of the affected software until one is available.
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-2021-1761 being exploited?
There is no known exploitation of CVE-2021-1761 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipad Os
Sources
Also known as GHSA-jxf4-w4m5-h6gr.