CVE-2021-30903 Memory corruption in iOS and iPadOS
A local attacker can trigger unexpected application termination or arbitrary code execution in Apple iOS, iPadOS, and macOS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30903?
CVE-2021-30903 is a high-severity memory corruption vulnerability in Apple Ipad Os, published on 24 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This issue was addressed with improved checks. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.
Which versions are affected by CVE-2021-30903?
It affects 7 products.
Products include Apple Ipad Os, Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos and 1 more.
How do I fix CVE-2021-30903?
No fix has been published for CVE-2021-30903 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-30903 being exploited?
There is no known exploitation of CVE-2021-30903 in the wild and no public exploit code.