CVE-2021-45830 Memory corruption in n/a
A heap-based buffer overflow in the HDF5 library allows attackers to cause a denial of service via crafted files.
- 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
- Available
What is CVE-2021-45830?
CVE-2021-45830 is a medium-severity memory corruption vulnerability in Hdfgroup Hdf5, published on 5 Jan 2022. 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 heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.
Weakness: CWE-787
Which versions are affected by CVE-2021-45830?
It affects 1 product.
Products include Hdfgroup Hdf5.
How do I fix CVE-2021-45830?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-45830 being exploited?
There is no known exploitation of CVE-2021-45830 in the wild and no public exploit code.
Other vulnerabilities in Hdfgroup Hdf5
Sources
Also known as DEBIAN-CVE-2021-45830, ECHO-4c41-09e9-a4f3, GHSA-5h2h-fjjr-x9m2, UBUNTU-CVE-2021-45830.