p PatchFirst

CVE-2025-6816

CVE-2025-6816 · HDF5 H5Ofsinfo.c H5O__fsinfo_encode heap-based overflow

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

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.

CVSS 4.8 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • hdf5

    Versions
    • 1.14.6: Affected

    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
    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
    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~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
    Affected ranges
    • ECOSYSTEM: < 2.1.0+repack-1

    Update to 2.1.0+repack-1

  • 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:25.10

    Versions
    • 1.14.5+repack-3
    • 1.14.5+repack-3build1
    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

Check your server →