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CVE-2026-19024

CVE-2026-19024 · HDF5 H5Pget_fill_value NULL Pointer Dereference via Malformed Fill Value Message

This page contains facts from public vulnerability sources. Check the original advisory before updating.

NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.3.0 allows attackers to cause a denial of service via a dataset whose version 1 or 2 fill value message has the "defined" flag set together with a negative size field, which is not normalized to the library's "undefined" sentinel and reaches H5T_path_find with a NULL datatype.

CVSS 8.2 · High · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • hdf5

    Versions
    • <= 2.3.0: Affected (custom)

    No fix published

  • hdf5 Debian:12

    Versions
    • 1.10.10+repack-1
    • 1.10.10+repack-2
    • 1.10.10+repack-3
    • 1.10.10+repack-3.1
    • 1.10.10+repack-3.2
    • 1.10.10+repack-3.2+ports
    • 1.10.10+repack-3.3
    • 1.10.10+repack-4
    • 1.10.10+repack-5
    • 1.10.8+repack1-1
    • 1.12.0+repack-1~exp1
    • 1.12.0+repack-1~exp2
    • 1.12.2+repack-1~exp1
    • 1.14.3+repack-1~exp1
    • 1.14.3+repack1-1~exp2
    • 1.14.3+repack1-1~exp3
    • 1.14.4.3+repack-1~exp1
    • 1.14.4.3+repack-1~exp2
    • 1.14.4.3+repack-1~exp3
    • 1.14.5+repack-1
    • 1.14.5+repack-1~exp1
    • 1.14.5+repack-1~exp2
    • 1.14.5+repack-1~exp3
    • 1.14.5+repack-1~exp4
    • 1.14.5+repack-1~exp5
    • 1.14.5+repack-1~exp6
    • 1.14.5+repack-2
    • 1.14.5+repack-3
    • 1.14.5+repack-3.1
    • 1.14.5+repack-3~exp1
    • 1.14.5+repack-3~exp2
    • 1.14.5+repack-3~exp3
    • 1.14.5+repack-3~exp4
    • 1.14.5+repack-4
    • 1.14.5+repack-4~exp1
    • 1.14.5+repack-4~exp2
    • 1.14.5+repack-5~exp2
    • 1.14.5+repack-5~exp3
    • 1.14.6+repack-1
    • 1.14.6+repack-1~exp1
    • 1.14.6+repack-1~exp10
    • 1.14.6+repack-1~exp11
    • 1.14.6+repack-1~exp12
    • 1.14.6+repack-1~exp13
    • 1.14.6+repack-1~exp14
    • 1.14.6+repack-1~exp15
    • 1.14.6+repack-1~exp16
    • 1.14.6+repack-1~exp17
    • 1.14.6+repack-1~exp18
    • 1.14.6+repack-1~exp19
    • 1.14.6+repack-1~exp2
    • 1.14.6+repack-1~exp20
    • 1.14.6+repack-1~exp21
    • 1.14.6+repack-1~exp3
    • 1.14.6+repack-1~exp4
    • 1.14.6+repack-1~exp5
    • 1.14.6+repack-1~exp6
    • 1.14.6+repack-1~exp7
    • 1.14.6+repack-1~exp8
    • 1.14.6+repack-1~exp9
    • 1.14.6+repack-2
    • 1.14.6+repack-3~exp1
    • 2.1.0+repack-1
    • 2.1.0+repack-1~exp10
    • 2.1.0+repack-1~exp11
    • 2.1.0+repack-1~exp3
    • 2.1.0+repack-1~exp4
    • 2.1.0+repack-1~exp5
    • 2.1.0+repack-1~exp6
    • 2.1.0+repack-1~exp7
    • 2.1.0+repack-1~exp8
    • 2.1.0+repack-1~exp9
    • 2.2.0+repack-1
    • 2.2.0+repack-2
    • 2.2.0+repack-3
    • 2.2.0+repack-4
    • 2.2.0+repack-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Debian:13

    Versions
    • 1.14.5+repack-3
    • 1.14.5+repack-3.1
    • 1.14.5+repack-4
    • 1.14.5+repack-4~exp1
    • 1.14.5+repack-4~exp2
    • 1.14.5+repack-5~exp2
    • 1.14.5+repack-5~exp3
    • 1.14.6+repack-1
    • 1.14.6+repack-1~exp1
    • 1.14.6+repack-1~exp10
    • 1.14.6+repack-1~exp11
    • 1.14.6+repack-1~exp12
    • 1.14.6+repack-1~exp13
    • 1.14.6+repack-1~exp14
    • 1.14.6+repack-1~exp15
    • 1.14.6+repack-1~exp16
    • 1.14.6+repack-1~exp17
    • 1.14.6+repack-1~exp18
    • 1.14.6+repack-1~exp19
    • 1.14.6+repack-1~exp2
    • 1.14.6+repack-1~exp20
    • 1.14.6+repack-1~exp21
    • 1.14.6+repack-1~exp3
    • 1.14.6+repack-1~exp4
    • 1.14.6+repack-1~exp5
    • 1.14.6+repack-1~exp6
    • 1.14.6+repack-1~exp7
    • 1.14.6+repack-1~exp8
    • 1.14.6+repack-1~exp9
    • 1.14.6+repack-2
    • 1.14.6+repack-3~exp1
    • 2.1.0+repack-1
    • 2.1.0+repack-1~exp10
    • 2.1.0+repack-1~exp11
    • 2.1.0+repack-1~exp3
    • 2.1.0+repack-1~exp4
    • 2.1.0+repack-1~exp5
    • 2.1.0+repack-1~exp6
    • 2.1.0+repack-1~exp7
    • 2.1.0+repack-1~exp8
    • 2.1.0+repack-1~exp9
    • 2.2.0+repack-1
    • 2.2.0+repack-2
    • 2.2.0+repack-3
    • 2.2.0+repack-4
    • 2.2.0+repack-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Debian:14

    Versions
    • 1.14.5+repack-3
    • 1.14.5+repack-3.1
    • 1.14.5+repack-4
    • 1.14.5+repack-4~exp1
    • 1.14.5+repack-4~exp2
    • 1.14.5+repack-5~exp2
    • 1.14.5+repack-5~exp3
    • 1.14.6+repack-1
    • 1.14.6+repack-1~exp1
    • 1.14.6+repack-1~exp10
    • 1.14.6+repack-1~exp11
    • 1.14.6+repack-1~exp12
    • 1.14.6+repack-1~exp13
    • 1.14.6+repack-1~exp14
    • 1.14.6+repack-1~exp15
    • 1.14.6+repack-1~exp16
    • 1.14.6+repack-1~exp17
    • 1.14.6+repack-1~exp18
    • 1.14.6+repack-1~exp19
    • 1.14.6+repack-1~exp2
    • 1.14.6+repack-1~exp20
    • 1.14.6+repack-1~exp21
    • 1.14.6+repack-1~exp3
    • 1.14.6+repack-1~exp4
    • 1.14.6+repack-1~exp5
    • 1.14.6+repack-1~exp6
    • 1.14.6+repack-1~exp7
    • 1.14.6+repack-1~exp8
    • 1.14.6+repack-1~exp9
    • 1.14.6+repack-2
    • 1.14.6+repack-3~exp1
    • 2.1.0+repack-1
    • 2.1.0+repack-1~exp10
    • 2.1.0+repack-1~exp11
    • 2.1.0+repack-1~exp3
    • 2.1.0+repack-1~exp4
    • 2.1.0+repack-1~exp5
    • 2.1.0+repack-1~exp6
    • 2.1.0+repack-1~exp7
    • 2.1.0+repack-1~exp8
    • 2.1.0+repack-1~exp9
    • 2.2.0+repack-1
    • 2.2.0+repack-2
    • 2.2.0+repack-3
    • 2.2.0+repack-4
    • 2.2.0+repack-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:Pro:14.04:LTS

    Versions
    • 1.8.11-3ubuntu1
    • 1.8.11-5ubuntu1
    • 1.8.11-5ubuntu2
    • 1.8.11-5ubuntu6
    • 1.8.11-5ubuntu7
    • 1.8.11-5ubuntu7.1
    • 1.8.11-5ubuntu7.1+esm1
    • 1.8.11-5ubuntu7.1+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:Pro:16.04:LTS

    Versions
    • 1.8.15-patch1+docs-4
    • 1.8.15-patch1+docs-5
    • 1.8.16+docs-1
    • 1.8.16+docs-2
    • 1.8.16+docs-3
    • 1.8.16+docs-3ubuntu1
    • 1.8.16+docs-4
    • 1.8.16+docs-4ubuntu1
    • 1.8.16+docs-4ubuntu1.1
    • 1.8.16+docs-4ubuntu1.1+esm1
    • 1.8.16+docs-4ubuntu1.1+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:Pro:18.04:LTS

    Versions
    • 1.10.0-patch1+docs-4
    • 1.10.0-patch1+docs-4ubuntu0.1~esm1
    • 1.10.0-patch1+docs-4ubuntu0.1~esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:Pro:20.04:LTS

    Versions
    • 1.10.4+repack-10
    • 1.10.4+repack-11
    • 1.10.4+repack-11ubuntu1
    • 1.10.4+repack-11ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:22.04:LTS

    Versions
    • 1.10.6+repack-5
    • 1.10.7+repack-4ubuntu1
    • 1.10.7+repack-4ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:24.04:LTS

    Versions
    • 1.10.8+repack1-1ubuntu1
    • 1.10.10+repack-3ubuntu1
    • 1.10.10+repack-3.1ubuntu3
    • 1.10.10+repack-3.1ubuntu4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:26.10

    Versions
    • 1.14.6+repack-2
    • 2.2.0+repack-4
    • 2.2.0+repack-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • hdf5 Ubuntu:26.04:LTS

    Versions
    • 1.14.5+repack-3build1
    • 1.14.5+repack-4
    • 1.14.6+repack-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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