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The HDF Group vulnerabilities

We track 3 vulnerabilities in The HDF Group products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on November 3, 2026.

3vulnerabilities
0critical
3high
0exploited
7.9average CVSS score

Latest The HDF Group vulnerabilities

  • 7.1 High severity

    HDF5: Out-of-bounds Read

    CVE-2026-120757The HDF Group

    HDF5 through 2.2.0 contains a heap buffer over-read vulnerability in H5L__extern_traverse() in src/H5Lexternal.c, the default traversal callback for external links. The callback locates the target file name and object path within the link’s user data using str

  • 8.5 High severity

    HDF5: Heap-based Buffer Overflow

    CVE-2026-106547The HDF Group

    A heap-based buffer overflow in H5VM_array_fill() in src/H5VM.c in HDF5 before 2.2.0 lets a remote attacker cause an application crash and possibly execute arbitrary code with a crafted HDF5 file. When a dataset's unallocated chunks are read, H5D__fill_init()

  • 8.2 High severity

    HDF5: NULL Pointer Dereference

    CVE-2026-19024The HDF Group

    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 th