Low
hdf5 — security advisory
A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.
- Products
- hdf5
- Affected versions
- 1.10.10+repack-3.1ubuntu3, 1.10.10+repack-3.1ubuntu4, 1.10.10+repack-3ubuntu1, 1.10.4+repack-10, 1.10.4+repack-11, 1.10.4+repack-11ubuntu1, 1.10.4+repack-11ubuntu1+esm1, 1.10.6+repack-5, 1.10.7+repack-4ubuntu1, 1.10.7+repack-4ubuntu2, 1.10.8+repack1-1ubuntu1, 1.14.5+repack-3, 1.14.5+repack-3build1, 1.14.5+repack-4, 1.14.6+repack-2, 2.2.0+repack-4, 2.2.0+repack-5
- Fixed versions
- Not specified
- CVEs
- CVE-2025-6816
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:49 UTC · Revision 1
Source evidence
A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.
osv:UBUNTU-CVE-2025-6816
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
Complete source record
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"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "hdf5",
"purl": "pkg:deb/ubuntu/hdf5?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.14.5+repack-3build1",
"1.14.5+repack-4",
"1.14.6+repack-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6816.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hdf5-helpers",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "hdf5-tools",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-cpp-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-fortran-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-hl-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-hl-cpp-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-hl-fortran-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-java",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-jni",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-mpich-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-mpich-cpp-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-mpich-fortran-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-mpich-hl-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-mpich-hl-cpp-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-mpich-hl-fortran-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-openmpi-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-openmpi-cpp-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-openmpi-fortran-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-openmpi-hl-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-openmpi-hl-cpp-310",
"binary_version": "1.14.6+repack-2"
},
{
"binary_name": "libhdf5-openmpi-hl-fortran-310",
"binary_version": "1.14.6+repack-2"
}
],
"priority_reason": "Upstream rates this as being low severity"
}
}
],
"modified": "2026-10-17T12:57:30.255870041Z",
"provider": "osv",
"upstream": [
"CVE-2025-6816"
],
"references": [
"https://ubuntu.com/security/CVE-2025-6816",
"https://www.cve.org/CVERecord?id=CVE-2025-6816",
"https://github.com/HDFGroup/hdf5/issues/5571",
"https://github.com/user-attachments/files/20623354/hdf5_crash_3.txt",
"https://vuldb.com/?ctiid.314254",
"https://vuldb.com/?id.314254",
"https://vuldb.com/?submit.602291"
]
},
"related_cves": [
{
"value": "CVE-2025-6816",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 357623,
"published_at": "2025-06-28T08:15:00+00:00"
}