The remote Redhat Enterprise Linux 6 / 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2017:1440 advisory.

    Mozilla Firefox is an open source web browser.

    This update upgrades Firefox to version 52.2.0 ESR.

    Security Fix(es):

    * Multiple flaws were found in the processing of malformed web content. A web page containing malicious     content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the     user running Firefox. (CVE-2017-5470, CVE-2017-5472, CVE-2017-7749, CVE-2017-7751, CVE-2017-7756,     CVE-2017-7771, CVE-2017-7772, CVE-2017-7773, CVE-2017-7774, CVE-2017-7775, CVE-2017-7776, CVE-2017-7777,     CVE-2017-7778, CVE-2017-7750, CVE-2017-7752, CVE-2017-7754, CVE-2017-7757, CVE-2017-7758, CVE-2017-7764)

    Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Nils,     Nicolas Trippar of Zimperium zLabs, Mats Palmgren, Philipp, Masayuki Nakano, Christian Holler, Andrew     McCreight, Gary Kwong, Andr Bargull, Carsten Book, Jesse Schwartzentruber, Julian Hector, Marcia Knous,     Ronald Crane, Samuel Erb, Holger Fuhrmannek, Tyson Smith, Abhishek Arya, and F. Alonso (revskills) as the     original reporters.

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 6 / 7 : firefox (RHSA-2017:1440)

critical Nessus Plugin ID 100801

Version 3.20

Version 3.18

Version 3.17

Version 3.16

Version 3.20 Dec 16, 2025, 2:29 PM Exploit attributes ("Exploit available" set to "True") Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202512161429
Version 3.18 Sep 9, 2025, 10:53 PM Detection Plugin Feed: 202509092253
Version 3.17 Jan 16, 2024, 5:39 PM CVE (Removed rejected CVE) Plugin Feed: 202401161739
Version 3.16 Jan 16, 2024, 3:43 PM CVE (Removed rejected CVE) Plugin Feed: 202401161543