CVE-2021-1794 Memory corruption in iOS and iPadOS

Critical 9.8 Published Updated

A remote attacker can achieve arbitrary code execution via an out-of-bounds read in iOS and iPadOS.

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-2021-1794?

CVE-2021-1794 is a critical memory corruption 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

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.

Weakness: CWE-125

Which versions are affected by CVE-2021-1794?

It affects 2 products.

Products include Apple Ipad Os, Apple Iphone Os.

How do I fix CVE-2021-1794?

No fix has been published for CVE-2021-1794 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-2021-1794 being exploited?

There is no known exploitation of CVE-2021-1794 in the wild and no public exploit code.

All Apple Ipad Os vulnerabilities

Sources

Also known as GHSA-v24v-2rw9-j2g5.

Is CVE-2021-1794 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free