Debian dla-4456 : openjdk-17-dbg - security update

high Nessus Plugin ID 296612

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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-4456 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4456-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort January 26, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : openjdk-17 Version : 17.0.18+8-1~deb11u1 CVE ID : CVE-2026-21925 CVE-2026-21932 CVE-2026-21933 CVE-2026-21945

Several vulnerabilities have been discovered in the OpenJDK Java runtime, which may result in incorrect certificate validation, CRLF injection or man-in-the-middle attacks.

For Debian 11 bullseye, these problems have been fixed in version 17.0.18+8-1~deb11u1.

We recommend that you upgrade your openjdk-17 packages.

For the detailed security status of openjdk-17 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/openjdk-17

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

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 openjdk-17-dbg packages.

Plugin Details

Severity: High

ID: 296612

File Name: debian_DLA-4456.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/26/2026

Updated: 1/26/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-21932

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2026-21945

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:openjdk-17-demo, p-cpe:/a:debian:debian_linux:openjdk-17-jdk, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:openjdk-17-source, p-cpe:/a:debian:debian_linux:openjdk-17-jre, p-cpe:/a:debian:debian_linux:openjdk-17-jre-headless, p-cpe:/a:debian:debian_linux:openjdk-17-dbg, p-cpe:/a:debian:debian_linux:openjdk-17-doc, p-cpe:/a:debian:debian_linux:openjdk-17-jdk-headless, p-cpe:/a:debian:debian_linux:openjdk-17-jre-zero

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/26/2026

Vulnerability Publication Date: 1/20/2026

Reference Information

CVE: CVE-2026-21925, CVE-2026-21932, CVE-2026-21933, CVE-2026-21945

Detections

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