Debian dsa-6559 : buildstream - security update

critical Nessus Plugin ID 365636

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6559 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6559-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff October 14, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : buildstream CVE ID : CVE-2026-82331

It was discovered that missing validation of tar sources in the Buildstream software integration tool could allow to write files on the build host.

For the stable distribution (trixie), this problem has been fixed in version 1.6.9-2+deb13u1.

We recommend that you upgrade your buildstream packages.

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

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 this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the buildstream packages.

Plugin Details

Severity: Critical

ID: 365636

File Name: debian_DSA-6559.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 10/14/2026

Updated: 10/14/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.38

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-82331

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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:buildstream, p-cpe:/a:debian:debian_linux:python3-buildstream

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/14/2026

Vulnerability Publication Date: 9/23/2026

Reference Information

CVE: CVE-2026-82331

Detections

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