The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10186 advisory.

    Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and     portability.

    Security Fix(es):

    * firefox: Content-Disposition header ignored when a file is included in an embed or object tag     (CVE-2025-6430)

    * firefox: Use-after-free in FontFaceSet (CVE-2025-6424)

    * firefox: Incorrect parsing of URLs could have allowed embedding of youtube.com (CVE-2025-6429)

    * firefox: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID (CVE-2025-6425)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

RHEL 8 : firefox (RHSA-2025:10186)

critical Nessus Plugin ID 241188

Version 1.3

Version 1.2

Version 1.1

Version 1.3 Oct 10, 2025, 2:37 AM Detection (updated detection logic) Plugin Feed: 202510100237
Version 1.2 Jul 4, 2025, 1:09 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin Feed: 202507040109
Version 1.1 Jul 3, 2025, 7:10 AM New Plugin Feed: 202507030710