The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7950-1 advisory.

    It was discovered that Tornado incorrectly handled special characters in HTTP headers. An attacker could     possibly use this issue to execute a cross- site scripting (XSS) attack. This issue only affected Ubuntu     20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.04, and Ubuntu 25.10. (CVE-2025-67724)

    It was discovered that Tornado incorrectly handled repeated HTTP headers. An attacker could possibly use     this issue to cause Tornado to use excessive resources, causing a denial of service. (CVE-2025-67725)

    It was discovered that Tornado incorrectly handled parsing of certain HTTP header values. An attacker     could possibly use this issue to cause Tornado to use excessive resources, causing a denial of service.
    (CVE-2025-67726)

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.

Detections

Analytics

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : Tornado vulnerabilities (USN-7950-1)

medium Nessus Plugin ID 282532

Version 1.2

Version 1.1

Version 1.2 Jan 16, 2026, 10:12 PM IAVM reference STIG Severity (set to "I") Plugin Feed: 202601162212
Version 1.1 Jan 10, 2026, 4:14 AM New Plugin Feed: 202601100414