The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6779-1 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-2024-4767, CVE-2024-4768,     CVE-2024-4769, CVE-2024-4771, CVE-2024-4772, CVE-2024-4773, CVE-2024-4774, CVE-2024-4775, CVE-2024-4776,     CVE-2024-4777, CVE-2024-4778)

    Jan-Ivar Bruaroey discovered that Firefox did not properly manage memory when audio input connected with     multiple consumers. An attacker could potentially exploit this issue to cause a denial of service, or     execute arbitrary code. (CVE-2024-4764)

    Thomas Rinsma discovered that Firefox did not properly handle type check when handling fonts in PDF.js. An     attacker could potentially exploit this issue to execute arbitrary javascript code in PDF.js.
    (CVE-2024-4367)

    Irvan Kurniawan discovered that Firefox did not properly handle certain font styles when saving a page to     PDF. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2024-4770)

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-6779-1)

critical Nessus Plugin ID 197537

Version 1.4