The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7334-1 advisory.

    Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially     crafted website, an attacker could potentially exploit these to cause a denial of service, obtain     sensitive information across domains, or execute arbitrary code. (CVE-2025-1933, CVE-2025-1934,     CVE-2025-1935, CVE-2025-1936, CVE-2025-1937, CVE-2025-1942)

    It was discovered that Firefox did not properly handle WebTransport connection, leading to a use-after-     free vulnerability. An attacker could potentially exploit this issue to cause a denial of service.
    (CVE-2025-1931)

    Ivan Fratric discovered that Firefox did not properly handle XSLT sorting, leading to a out-of-bounds     access vulnerability. An attacker could potentially exploit this issue to cause a denial of service, or     execute arbitrary code. (CVE-2025-1932)

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

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Ubuntu 20.04 LTS : Firefox vulnerabilities (USN-7334-1)

critical Nessus Plugin ID 232218

Version 1.2

Version 1.1

Version 1.2 Apr 4, 2025, 7:32 AM IAVM reference Plugin Feed: 202504040732
Version 1.1 Mar 7, 2025, 2:51 AM New Plugin Feed: 202503070251