The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:12045 advisory.

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

    Security Fix(es):

    * firefox: thunderbird: Large branch table could lead to truncated instruction (CVE-2025-8028)

    * firefox: thunderbird: Memory safety bugs (CVE-2025-8035)

    * firefox: thunderbird: Incorrect URL stripping in CSP reports (CVE-2025-8031)

    * firefox: thunderbird: JavaScript engine only wrote partial return value to stack (CVE-2025-8027)

    * firefox: thunderbird: Potential user-assisted code execution in ?Copy as cURL? command (CVE-2025-8030)

    * firefox: Memory safety bugs (CVE-2025-8034)

    * firefox: thunderbird: Incorrect JavaScript state machine for generators (CVE-2025-8033)

    * firefox: thunderbird: XSLT documents could bypass CSP (CVE-2025-8032)

    * firefox: thunderbird: javascript: URLs executed on object and embed tags (CVE-2025-8029)

    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

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RHEL 9 : firefox (RHSA-2025:12045)

critical Nessus Plugin ID 242991

Version 1.1