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Debian dla-4468 : libtomcat9-embed-java - security update

high Nessus Plugin ID 298166

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4468 advisory.

 ------------------------------------------------------------------------- Debian LTS Advisory DLA-4468-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany February 05, 2026 https://wiki.debian.org/LTS
 -------------------------------------------------------------------------

 Package : tomcat9 Version : 9.0.107-0+deb11u2 CVE ID : CVE-2025-55752 CVE-2025-55754 CVE-2025-61795

 Several security vulnerabilities have been found in Tomcat 9, a Java web server and servlet engine. The update corrects various flaws which can lead to a bypass of security constraints or a denial of service.

 In addition it fixes a regression that prevented tomcat's start script from detecting installations of OpenJDK 17.

 For Debian 11 bullseye, these problems have been fixed in version 9.0.107-0+deb11u2.

 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.

Solution

Upgrade the libtomcat9-embed-java packages.

See Also

https://security-tracker.debian.org/tracker/source-package/tomcat9

https://security-tracker.debian.org/tracker/CVE-2025-55752

https://security-tracker.debian.org/tracker/CVE-2025-55754

https://security-tracker.debian.org/tracker/CVE-2025-61795

https://packages.debian.org/source/bullseye/tomcat9

Plugin Details

Severity: High

ID: 298166

File Name: debian_DLA-4468.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/5/2026

Updated: 2/5/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-55754

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.7

Threat Score: 6.8

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2025-55752

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:tomcat9-docs, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:tomcat9-admin, p-cpe:/a:debian:debian_linux:libtomcat9-java, p-cpe:/a:debian:debian_linux:tomcat9, p-cpe:/a:debian:debian_linux:tomcat9-user, p-cpe:/a:debian:debian_linux:libtomcat9-embed-java, p-cpe:/a:debian:debian_linux:tomcat9-examples, p-cpe:/a:debian:debian_linux:tomcat9-common

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/5/2026

Vulnerability Publication Date: 9/8/2025

Reference Information

CVE: CVE-2025-55752, CVE-2025-55754, CVE-2025-61795

IAVA: 2025-A-0803