The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4619 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4619-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                      Markus Koschany     June 07, 2026                                 https://wiki.debian.org/LTS
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    Package        : tomcat9     Version        : 9.0.118-0+deb11u1     CVE ID         : CVE-2026-24880 CVE-2026-25854 CVE-2026-29129 CVE-2026-29145                      CVE-2026-29146 CVE-2026-32990 CVE-2026-34483 CVE-2026-34487                      CVE-2026-34500 CVE-2026-41284 CVE-2026-41293 CVE-2026-42498                      CVE-2026-43512 CVE-2026-43513 CVE-2026-43514 CVE-2026-43515

    Multiple security vulnerabilities have been discovered in Tomcat 9, a Java     based web server, servlet and JSP engine which may result in a denial of     service, authentication bypass or the disclosure of sensitive information.

    In order to address certain vulnerabilities and restore the compatibility with     Tomcat 9, an upgrade of the Tomcat native library, libtcnative-1, was required     as well.

    Although we are not aware of any problems, new upstream versions may introduce     new options, limits or code changes which may or may not affect your existing     web applications. We recommend to consult the Tomcat 9 documentation for     further information.

    For Debian 11 bullseye, these problems have been fixed in version     9.0.118-0+deb11u1.

    We recommend that you upgrade your tomcat9 packages.

    For the detailed security status of tomcat9 please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/tomcat9

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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Debian dla-4619 : libtomcat9-embed-java - security update

high Nessus Plugin ID 319611

Version 1.1