CVE-2025-7068 HDF5 H5FL.c H5FL__malloc memory leak
A local attacker can trigger a memory leak in the HDF5 library, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-7068?
CVE-2025-7068 is a medium-severity denial of service vulnerability in Hdfgroup Hdf5, published on 4 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. This issue affects the function H5FL__malloc of the file src/H5FL.c. The manipulation leads to memory leak. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-7068?
It affects 1 product.
Products include Hdfgroup Hdf5.
How do I fix CVE-2025-7068?
No fix published yet.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-7068 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7068 exists.
Other vulnerabilities in Hdfgroup Hdf5
Sources
Also known as AZL-65160, AZL-65205, DEBIAN-CVE-2025-7068, ECHO-09be-ce9f-912e, GHSA-v8w5-gvph-x6f3, JLSEC-2026-350 and 1 more.