The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:4134 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 91.3.0.

    Security Fix(es):

    * Mozilla: Use-after-free in HTTP2 Session object

    * Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3

    * Mozilla: iframe sandbox rules did not apply to XSLT stylesheets (CVE-2021-38503)

    * Mozilla: Use-after-free in file picker dialog (CVE-2021-38504)

    * Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning     (CVE-2021-38506)

    * Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services     hosted on other ports (CVE-2021-38507)

    * Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing     (CVE-2021-38508)

    * Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain (CVE-2021-38509)

    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 7 : thunderbird (RHSA-2021:4134)

critical Nessus Plugin ID 154943

Version 1.11