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    CVE-2018-16438

    An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

    Published:Aug 6, 2018
    Last Modified:Nov 21, 2024
    EPS:Sep 4, 2018
    EPSS Score:0.00414
    CVSS Score:8.8

    Affected Products

    Vendor
    Hdfgroup
    Product
    Hdf5

    Exploits

    https://github.com/TeamSeri0us/pocs/tree/master/hdf5/h5stathttps://github.com/TeamSeri0us/pocs/tree/master/hdf5/h5stat

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-19026 (CVSS 6.8) — H5Z__filter_nbit in H5Znbit.c in HDF5 through 2.3.0 dereferences cd_values[0] through cd_values[4] without val…
    CVE-2026-19025 (CVSS 6.8) — H5O__layout_decode in H5Olayout.c in HDF5 through 2.3.0 does not validate that a chunked dataset's stored chun…
    CVE-2026-19024 (CVSS 8.2) — NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.3.0 allows attackers to cause a denial of servi…
    CVE-2026-19023 (CVSS 6.8) — Untrusted pointer dereference in the render_bin_output function in the h5dump tool in HDF5 before 2.3.0 allows…
    CVE-2026-17574 (CVSS 5.2) — HDF5 contains a NULL pointer dereference vulnerability. Processing a crafted HDF5 file containing an attribute…
    CVE-2026-17573 (CVSS 4) — A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an o…
    CVE-2026-17572 (CVSS 5.5) — Heap-based buffer overflow in the SOHM list-index deserialization code in HDF5 through 2.1.1 on all platforms …
    CVE-2026-26199 (CVSS 5.9) — HDF5 is a high-performance library and a file format specification that implements the HDF5 data model. If `H5…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High