CVE catalog

CVE-2026-17573

A double free vulnerability was discovered in the HDF5…

A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via h5repack may cause the application to abort due to a double free.

Severity: Medium · CVSS 5CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Published: Jul 27, 2026, 3:11:54 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.15% · 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": 1143000,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "2.1.0+repack-1"
    },
    {
      "bug": 1143000,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "2.1.0+repack-1"
    },
    {
      "bug": 1143000,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 1143000,
      "name": "hdf5",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "hdf5",
      "ranges": [
        {
          "fixed": "2.2.0",
          "introduced": "",
          "last_affected": "",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "2.2.0",
      "provider_record_id": "NVD-CVE-2026-17573"
    }
  ]
}

[Debian bug #1143000]

Publisher notes

[bookworm] hdf5: Minor issue

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

Next results

Observed: Oct 23, 2026, 9:43:16 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]