An integer overflow in the target_sws_fuzzer() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

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.

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

  - An integer overflow in the target_sws_fuzzer() function (libswscale/output.c) of FFmpeg
    N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.
    (CVE-2026-38350)

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

  - An integer overflow in the target_sws_fuzzer() function (libswscale/output.c) of FFmpeg     N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.
    (CVE-2026-38350)

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

ID	Name	Product	Family	Type	Severity
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
460682	Echo: ffmpeg: security update to 7:7.1.5-0+deb13u1+e7	Tenable Cloud Security	Echo Local Security Checks	Local	high
460682	Echo: ffmpeg: security update to 7:7.1.5-0+deb13u1+e7	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	high
341786	Linux Distros Unpatched Vulnerability : CVE-2026-38350	Nessus	Misc.	Local	high

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CVE-2026-38350

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