CVE catalog

CVE-2025-6516

hdf5 affected and fixed versions

A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Severity: Medium · CVSS 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Published: Jun 23, 2025, 5:00:17 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.39% · Oct 27, 2026

Projects and upstream resources

[hdf5][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "hdf5",
      "status": "fixed",
      "release": "sid",
      "version": "2.2.0+repack-5"
    },
    {
      "name": "hdf5",
      "status": "fixed",
      "release": "forky",
      "version": "2.2.0+repack-5"
    },
    {
      "name": "hdf5",
      "status": "vulnerable",
      "release": "trixie",
      "version": "1.14.5+repack-3"
    },
    {
      "name": "hdf5",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.10.8+repack1-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "2.1.0+repack-1"
    },
    {
      "bug": null,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "2.1.0+repack-1"
    },
    {
      "bug": null,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    }
  ],
  "distribution_packages": []
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[hdf5-helpers]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[hdf5-tools]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-103]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-103-1]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-cpp-103]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-cpp-103-1]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-dev]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-doc]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · all · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · all · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-fortran-102]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-hl-100]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-hl-cpp-100]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-hl-fortran-100]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-java]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · all · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · all · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-jni]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-mpich-103]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-mpich-103-1]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-mpich-cpp-103-1]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-mpich-dev]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-mpich-fortran-102]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
[libhdf5-mpich-hl-100]Unknown
Source package: [hdf5]
Details (2)
- 1.10.8+repack1-1 · amd64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12
- 1.10.8+repack1-1 · arm64 · bookworm
  Affected
  dsa · hdf5 · debian · bookworm; dsa · hdf5 · debian · 12

Next results

Observed: Oct 24, 2026, 9:37:56 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]