CVE-2021-31009 Other in iOS and iPadOS
Apple removed the HDF5 library from iOS, iPadOS, and macOS to address multiple unspecified security issues within the component.
- 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-2021-31009?
CVE-2021-31009 is a critical vulnerability in Apple Ipados, published on 24 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple issues were addressed by removing HDF5. This issue is fixed in iOS 15.2 and iPadOS 15.2, macOS Monterey 12.1. Multiple issues in HDF5.
Which versions are affected by CVE-2021-31009?
It affects 3 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos.
How do I fix CVE-2021-31009?
No fix has been published for CVE-2021-31009 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-31009 being exploited?
There is no known exploitation of CVE-2021-31009 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