CVE-2021-30741 Use after free in iOS and iPadOS
Processing a maliciously crafted mail message can lead to unexpected memory modification or application termination on iOS and iPadOS 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-2021-30741?
CVE-2021-30741 is a high-severity use after free 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
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
Weakness: CWE-416
Which versions are affected by CVE-2021-30741?
It affects 2 products.
Products include Apple Ipados, Apple Iphone Os.
How do I fix CVE-2021-30741?
No fix has been published for CVE-2021-30741 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-30741 being exploited?
There is no known exploitation of CVE-2021-30741 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-69m3-g558-7xx3.