A NULL pointer dereference in the get_min_buffer_size function (/libswscale/slice.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130398 advisory.

    A NULL pointer dereference in the get_min_buffer_size function (/libswscale/slice.c) of FFmpeg     N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video     file.

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

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

The remote Ubuntu 16.04 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-8915-1 advisory.

    Momoko Shiraishi discovered that FFmpeg did not correctly handle certain memory operations. An attacker     could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu     18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-30754)

    It was discovered that FFmpeg did not correctly handle certain memory operations. An attacker could     possibly use this issue to cause a denial of service. (CVE-2026-38344)

    It was discovered that FFmpeg did not correctly handle certain arithmetic operations. An attacker could     possibly use this issue to cause a denial of service. (CVE-2026-38346, CVE-2026-38348, CVE-2026-38349)

    It was discovered that FFmpeg did not correctly handle certain memory operations. An attacker could     possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu     18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-38347)

    It was discovered that FFmpeg did not correctly handle certain arithmetic operations. An attacker could     possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu     18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-38350)

    Joshua Rogers discovered that FFmpeg did not correctly handle certain memory operations. An attacker could     possibly use this issue to leak sensitive information. This issue only affected Ubuntu 26.04 LTS.
    (CVE-2026-75147)

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 NULL pointer dereference in the get_min_buffer_size function (/libswscale/slice.c) of FFmpeg     N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video     file. (CVE-2026-38344)

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

ID	Name	Product	Family	Type	Severity
366251	Unity Linux 20.1070e Security Update: ffmpeg (UTSA-2026-130398)	Nessus	Unity Linux Local Security Checks	Local	high
365762	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : FFmpeg vulnerabilities (USN-8915-1)	Nessus	Ubuntu Local Security Checks	Local	medium
341677	Linux Distros Unpatched Vulnerability : CVE-2026-38344	Nessus	Misc.	Local	high

Detections

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CVE-2026-38344

high

Tenable Plugins

high

medium

high