The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:22708 advisory.

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

    Security Fix(es):

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1     (CVE-2026-7323)

    * firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video     component (CVE-2026-7320)

    * firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1     (CVE-2026-7322)

    * firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC:
    Networking component (CVE-2026-7321)

    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 7 : firefox (RHSA-2026:22708)

critical Nessus Plugin ID 319549

Version 1.1