CVE-2024-32621 Memory corruption in n/a
A heap-based buffer overflow in the HDF5 library allows attackers to corrupt the instruction pointer, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-32621?
CVE-2024-32621 is a critical memory corruption vulnerability in Hdfgroup Hdf5, published on 9 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
HDF5 Library through 1.14.3 contains a heap-based buffer overflow in H5HG_read in H5HG.c (called from H5VL__native_blob_get in H5VLnative_blob.c), resulting in the corruption of the instruction pointer.
Weakness: CWE-122
Which versions are affected by CVE-2024-32621?
It affects 1 product.
Products include Hdfgroup Hdf5.
How do I fix CVE-2024-32621?
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-2024-32621 being exploited?
There is no known exploitation of CVE-2024-32621 in the wild and no public exploit code.
Other vulnerabilities in Hdfgroup Hdf5
Sources
Also known as AZL-40561, AZL-40642, DEBIAN-CVE-2024-32621, ECHO-e887-dfa2-d508, GHSA-3mcf-4rgf-4fx9, JLSEC-2026-316 and 3 more.