Vulnerability · Published Mar 28, 2025 · Assigned by VulDB
CVE-2025-2925HDF5 H5MM.c H5MM_realloc double free
Low 3.3
In plain English
A low-severity double free in HDF5. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 80.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in HDF5 up to 1.14.6 and classified as problematic. This vulnerability affects the function H5MM_realloc of the file src/H5MM.c. The manipulation of the argument mem leads to double free. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | hdf5 | no fix listed | DEBIAN-CVE-2025-2925 |
| Debian:13 | hdf5 | no fix listed | DEBIAN-CVE-2025-2925 |
| Debian:14 | hdf5 | 2.1.0+repack-1 | DEBIAN-CVE-2025-2925 |
| Ubuntu:25.10 | hdf5 | no fix listed | UBUNTU-CVE-2025-2925 |
| Ubuntu:26.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2025-2925 |
| Ubuntu:26.10 | hdf5 | no fix listed | UBUNTU-CVE-2025-2925 |
Affected products (as reported)
Weakness: CWE-415, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-301900 | HDF5 H5MM.c H5MM_realloc double free vdb-entry, technical-description
- VDB-301900 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #521193 | https://github.com/HDFGroup/hdf5 HDF5 1.14.6 Double Free third-party-advisory
- https://github.com/HDFGroup/hdf5/issues/5383 exploit, issue-tracking