Vulnerability · Published Mar 14, 2025 · Assigned by VulDB
CVE-2025-2310HDF5 Metadata Attribute Decoder H5MM_strndup heap-based overflow
Medium 5.3
In plain English
A medium-severity heap buffer overflow in HDF5. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 64.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in HDF5 1.14.6 and classified as critical. This issue affects the function H5MM_strndup of the component Metadata Attribute Decoder. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | hdf5 | no fix listed | DEBIAN-CVE-2025-2310 |
| Debian:13 | hdf5 | no fix listed | DEBIAN-CVE-2025-2310 |
| Debian:14 | hdf5 | no fix listed | DEBIAN-CVE-2025-2310 |
| Ubuntu:22.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2025-2310 |
| Ubuntu:24.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2025-2310 |
| Ubuntu:25.10 | hdf5 | no fix listed | UBUNTU-CVE-2025-2310 |
| Ubuntu:26.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2025-2310 |
| Ubuntu:26.10 | hdf5 | no fix listed | UBUNTU-CVE-2025-2310 |
Affected products (as reported)
Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References
- VDB-299723 | HDF5 Metadata Attribute Decoder H5MM_strndup heap-based overflow vdb-entry, technical-description
- VDB-299723 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #514533 | HDFGroup hdf5 v1.14.6 Buffer Overflow third-party-advisory
- https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc4.md exploit