CVE-2021-30764 Memory corruption in iOS and iPadOS
Processing a maliciously crafted file allows arbitrary code execution on Apple iOS, iPadOS, tvOS, and watchOS devices.
- 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-2021-30764?
CVE-2021-30764 is a high-severity memory corruption vulnerability in Apple Ipados, 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
Processing a maliciously crafted file may lead to arbitrary code execution. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. This issue was addressed with improved checks.
Which versions are affected by CVE-2021-30764?
It affects 4 products.
Products include Apple Ipados, Apple Iphone Os, Apple Tvos, Apple Watchos.
How do I fix CVE-2021-30764?
No fix has been published for CVE-2021-30764 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-2021-30764 being exploited?
There is no known exploitation of CVE-2021-30764 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-vq4r-hh2c-c4j9.