A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4. This issue affects the function SWnentries of the file frmts/hdf4/hdf-eos/SWapi.c. Such manipulation of the argument DimensionName leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 3.12.4RC1 is capable of addressing this issue. The name of the patch is 9491e794f1757f08063ea2f7a274ad2994afa636. It is advisable to upgrade the affected component.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4. This issue affects the function SWnentries
    of the file frmts/hdf4/hdf-eos/SWapi.c. Such manipulation of the argument DimensionName leads to heap-
    based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might
    be used. Upgrading to version 3.12.4RC1 is capable of addressing this issue. The name of the patch is
    9491e794f1757f08063ea2f7a274ad2994afa636. It is advisable to upgrade the affected component.
    (CVE-2026-8086)

The remote Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8812-1 advisory.

    It was discovered that GDAL incorrectly handled certain netCDF files. An attacker could possibly use this     issue to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu     26.04 LTS. (CVE-2026-49014)

    It was discovered that GDAL incorrectly handled certain HDF-EOS files. An attacker could possibly use this     issue to cause a crash or execute arbitrary code. (CVE-2026-8086, CVE-2026-8087, CVE-2026-8212,     CVE-2026-8213)

    It was discovered that GDAL incorrectly handled certain HDF-EOS file metadata. An attacker could possibly     use this issue to cause GDAL to crash, resulting in a denial of service. (CVE-2026-8084, CVE-2026-8088)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4. This issue affects the function SWnentries     of the file frmts/hdf4/hdf-eos/SWapi.c. Such manipulation of the argument DimensionName leads to heap-     based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might     be used. Upgrading to version 3.12.4RC1 is capable of addressing this issue. The name of the patch is     9491e794f1757f08063ea2f7a274ad2994afa636. It is advisable to upgrade the affected component.
    (CVE-2026-8086)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
463637	Echo: gdal: security update to 3.10.3+dfsg-1+e2	Tenable Cloud Security	Echo Local Security Checks	Local	medium
463637	Echo: gdal: security update to 3.10.3+dfsg-1+e2	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
350178	Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : GDAL vulnerabilities (USN-8812-1)	Nessus	Ubuntu Local Security Checks	Local	medium
313178	Linux Distros Unpatched Vulnerability : CVE-2026-8086	Nessus	Misc.	Local	medium

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CVE-2026-8086

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