CVE-2021-1793 Memory corruption in iOS and iPadOS
Processing a maliciously crafted image may lead to arbitrary code execution on 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-2021-1793?
CVE-2021-1793 is a high-severity memory corruption vulnerability in Apple Ipad Os, published on 2 Apr 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
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. Processing a maliciously crafted image may lead to arbitrary code execution.
Which versions are affected by CVE-2021-1793?
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-2021-1793?
No fix has been published for CVE-2021-1793 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-2021-1793 being exploited?
There is no known exploitation of CVE-2021-1793 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipad Os
Sources
Also known as GHSA-q994-pg88-mhr5.