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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-29043

HDF5 is software for managing data. In 1.14.1-2 and earlier, an attacker who can control an h5 file parsed by HDF5 can trigger a write-based heap buffer overflow condition in the H5T__ref_mem_setnull method. This can lead to a denial-of-service condition, and potentially further issues such as remote code execution depending on the practical exploitability of the heap overflow against modern operating systems.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.6%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-29043
  • Hdfgroup » Hdf5 » Version: N/A
    cpe:2.3:a:hdfgroup:hdf5:-
  • Hdfgroup » Hdf5 » Version: 1.10.0
    cpe:2.3:a:hdfgroup:hdf5:1.10.0
  • Hdfgroup » Hdf5 » Version: 1.10.1
    cpe:2.3:a:hdfgroup:hdf5:1.10.1
  • Hdfgroup » Hdf5 » Version: 1.10.2
    cpe:2.3:a:hdfgroup:hdf5:1.10.2
  • Hdfgroup » Hdf5 » Version: 1.10.3
    cpe:2.3:a:hdfgroup:hdf5:1.10.3
  • Hdfgroup » Hdf5 » Version: 1.10.4
    cpe:2.3:a:hdfgroup:hdf5:1.10.4
  • Hdfgroup » Hdf5 » Version: 1.12.0
    cpe:2.3:a:hdfgroup:hdf5:1.12.0
  • Hdfgroup » Hdf5 » Version: 1.12.1
    cpe:2.3:a:hdfgroup:hdf5:1.12.1
  • Hdfgroup » Hdf5 » Version: 1.12.2
    cpe:2.3:a:hdfgroup:hdf5:1.12.2
  • Hdfgroup » Hdf5 » Version: 1.12.2-3
    cpe:2.3:a:hdfgroup:hdf5:1.12.2-3
  • Hdfgroup » Hdf5 » Version: 1.13.0
    cpe:2.3:a:hdfgroup:hdf5:1.13.0
  • Hdfgroup » Hdf5 » Version: 1.13.1
    cpe:2.3:a:hdfgroup:hdf5:1.13.1
  • Hdfgroup » Hdf5 » Version: 1.13.1-1
    cpe:2.3:a:hdfgroup:hdf5:1.13.1-1
  • Hdfgroup » Hdf5 » Version: 1.13.2
    cpe:2.3:a:hdfgroup:hdf5:1.13.2
  • Hdfgroup » Hdf5 » Version: 1.13.3
    cpe:2.3:a:hdfgroup:hdf5:1.13.3
  • Hdfgroup » Hdf5 » Version: 1.14.0
    cpe:2.3:a:hdfgroup:hdf5:1.14.0
  • Hdfgroup » Hdf5 » Version: 1.14.1
    cpe:2.3:a:hdfgroup:hdf5:1.14.1
  • Hdfgroup » Hdf5 » Version: 1.14.1-2
    cpe:2.3:a:hdfgroup:hdf5:1.14.1-2
  • Hdfgroup » Hdf5 » Version: 1.4.0
    cpe:2.3:a:hdfgroup:hdf5:1.4.0
  • Hdfgroup » Hdf5 » Version: 1.4.1
    cpe:2.3:a:hdfgroup:hdf5:1.4.1
  • Hdfgroup » Hdf5 » Version: 1.4.2
    cpe:2.3:a:hdfgroup:hdf5:1.4.2
  • Hdfgroup » Hdf5 » Version: 1.4.3
    cpe:2.3:a:hdfgroup:hdf5:1.4.3
  • Hdfgroup » Hdf5 » Version: 1.4.4
    cpe:2.3:a:hdfgroup:hdf5:1.4.4
  • Hdfgroup » Hdf5 » Version: 1.4.5
    cpe:2.3:a:hdfgroup:hdf5:1.4.5
  • Hdfgroup » Hdf5 » Version: 1.6.0
    cpe:2.3:a:hdfgroup:hdf5:1.6.0
  • Hdfgroup » Hdf5 » Version: 1.6.1
    cpe:2.3:a:hdfgroup:hdf5:1.6.1
  • Hdfgroup » Hdf5 » Version: 1.6.10
    cpe:2.3:a:hdfgroup:hdf5:1.6.10
  • Hdfgroup » Hdf5 » Version: 1.6.2
    cpe:2.3:a:hdfgroup:hdf5:1.6.2
  • Hdfgroup » Hdf5 » Version: 1.6.3
    cpe:2.3:a:hdfgroup:hdf5:1.6.3
  • Hdfgroup » Hdf5 » Version: 1.6.4
    cpe:2.3:a:hdfgroup:hdf5:1.6.4
  • Hdfgroup » Hdf5 » Version: 1.6.5
    cpe:2.3:a:hdfgroup:hdf5:1.6.5
  • Hdfgroup » Hdf5 » Version: 1.6.6
    cpe:2.3:a:hdfgroup:hdf5:1.6.6
  • Hdfgroup » Hdf5 » Version: 1.6.7
    cpe:2.3:a:hdfgroup:hdf5:1.6.7
  • Hdfgroup » Hdf5 » Version: 1.6.8
    cpe:2.3:a:hdfgroup:hdf5:1.6.8
  • Hdfgroup » Hdf5 » Version: 1.6.9
    cpe:2.3:a:hdfgroup:hdf5:1.6.9
  • Hdfgroup » Hdf5 » Version: 1.8.0
    cpe:2.3:a:hdfgroup:hdf5:1.8.0
  • Hdfgroup » Hdf5 » Version: 1.8.1
    cpe:2.3:a:hdfgroup:hdf5:1.8.1
  • Hdfgroup » Hdf5 » Version: 1.8.10
    cpe:2.3:a:hdfgroup:hdf5:1.8.10
  • Hdfgroup » Hdf5 » Version: 1.8.11
    cpe:2.3:a:hdfgroup:hdf5:1.8.11
  • Hdfgroup » Hdf5 » Version: 1.8.12
    cpe:2.3:a:hdfgroup:hdf5:1.8.12
  • Hdfgroup » Hdf5 » Version: 1.8.13
    cpe:2.3:a:hdfgroup:hdf5:1.8.13
  • Hdfgroup » Hdf5 » Version: 1.8.14
    cpe:2.3:a:hdfgroup:hdf5:1.8.14
  • Hdfgroup » Hdf5 » Version: 1.8.15
    cpe:2.3:a:hdfgroup:hdf5:1.8.15
  • Hdfgroup » Hdf5 » Version: 1.8.16
    cpe:2.3:a:hdfgroup:hdf5:1.8.16
  • Hdfgroup » Hdf5 » Version: 1.8.17
    cpe:2.3:a:hdfgroup:hdf5:1.8.17
  • Hdfgroup » Hdf5 » Version: 1.8.18
    cpe:2.3:a:hdfgroup:hdf5:1.8.18
  • Hdfgroup » Hdf5 » Version: 1.8.19
    cpe:2.3:a:hdfgroup:hdf5:1.8.19
  • Hdfgroup » Hdf5 » Version: 1.8.2
    cpe:2.3:a:hdfgroup:hdf5:1.8.2
  • Hdfgroup » Hdf5 » Version: 1.8.20
    cpe:2.3:a:hdfgroup:hdf5:1.8.20
  • Hdfgroup » Hdf5 » Version: 1.8.3
    cpe:2.3:a:hdfgroup:hdf5:1.8.3
  • Hdfgroup » Hdf5 » Version: 1.8.4
    cpe:2.3:a:hdfgroup:hdf5:1.8.4
  • Hdfgroup » Hdf5 » Version: 1.8.5
    cpe:2.3:a:hdfgroup:hdf5:1.8.5
  • Hdfgroup » Hdf5 » Version: 1.8.6
    cpe:2.3:a:hdfgroup:hdf5:1.8.6
  • Hdfgroup » Hdf5 » Version: 1.8.7
    cpe:2.3:a:hdfgroup:hdf5:1.8.7
  • Hdfgroup » Hdf5 » Version: 1.8.8
    cpe:2.3:a:hdfgroup:hdf5:1.8.8
  • Hdfgroup » Hdf5 » Version: 1.8.9
    cpe:2.3:a:hdfgroup:hdf5:1.8.9


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