Debian dsa-6231 : openjdk-21-dbg - security update

high Nessus Plugin ID 310561

Synopsis

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

Description

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6231 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6231-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff April 27, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : openjdk-21 CVE ID : CVE-2026-22007 CVE-2026-22013 CVE-2026-22016 CVE-2026-22018 CVE-2026-22021 CVE-2026-34268 CVE-2026-34282

Several vulnerabilities have been discovered in the OpenJDK Java runtime, which may result in incorrect generation of cryptographic keys, denial of service, information disclosure, XEE/XEE attacks or incorrect validation of Kerberos credentials.

For the stable distribution (trixie), these problems have been fixed in version 21.0.11+10-1~deb13u2.

We recommend that you upgrade your openjdk-21 packages.

For the detailed security status of openjdk-21 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/openjdk-21

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

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-21-dbg packages.

See Also

https://security-tracker.debian.org/tracker/source-package/openjdk-21

https://security-tracker.debian.org/tracker/CVE-2026-22007

https://security-tracker.debian.org/tracker/CVE-2026-22013

https://security-tracker.debian.org/tracker/CVE-2026-22016

https://security-tracker.debian.org/tracker/CVE-2026-22018

https://security-tracker.debian.org/tracker/CVE-2026-22021

https://security-tracker.debian.org/tracker/CVE-2026-34268

https://security-tracker.debian.org/tracker/CVE-2026-34282

https://packages.debian.org/source/trixie/openjdk-21

Plugin Details

Severity: High

ID: 310561

File Name: debian_DSA-6231.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/27/2026

Updated: 4/27/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-22016

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:H/I:N/A:N

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:openjdk-21-dbg, p-cpe:/a:debian:debian_linux:openjdk-21-demo, p-cpe:/a:debian:debian_linux:openjdk-21-doc, p-cpe:/a:debian:debian_linux:openjdk-21-jdk, p-cpe:/a:debian:debian_linux:openjdk-21-jdk-headless, p-cpe:/a:debian:debian_linux:openjdk-21-jre, p-cpe:/a:debian:debian_linux:openjdk-21-jre-headless, p-cpe:/a:debian:debian_linux:openjdk-21-jre-zero, p-cpe:/a:debian:debian_linux:openjdk-21-source, p-cpe:/a:debian:debian_linux:openjdk-21-testsupport

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/27/2026

Vulnerability Publication Date: 4/21/2026

Reference Information

CVE: CVE-2026-22007, CVE-2026-22013, CVE-2026-22016, CVE-2026-22018, CVE-2026-22021, CVE-2026-34268, CVE-2026-34282