CVE-2021-30786 Race condition in iOS
Opening a malicious PDF can cause application termination or arbitrary code execution due to a race condition in Apple 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
- None listed
What is CVE-2021-30786?
CVE-2021-30786 is a high-severity vulnerability in Apple Iphone Os, published on 8 Sep 2021. 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
A race condition was addressed with improved state handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.
Weakness: CWE-362
Which versions are affected by CVE-2021-30786?
It affects 2 products.
Products include Apple Iphone Os, Apple Macos.
How do I fix CVE-2021-30786?
No fix has been published for CVE-2021-30786 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30786 being exploited?
There is no known exploitation of CVE-2021-30786 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as GHSA-mhx2-29jj-rxfr.