Debian dsa-6524 : flatpak - security update

high Nessus Plugin ID 350953

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-6524 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6524-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff September 28, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : flatpak CVE ID : CVE-2026-90616 CVE-2026-92162 CVE-2026-97023 CVE-2026-97024 CVE-2026-97025 CVE-2026-97026 CVE-2026-97027 CVE-2026-97029

Multiple security vulnerabilities were discovered in Flatpak, an application deployment framework for desktop apps, which could result in denial service via malicious applications or information disclosure.

For the stable distribution (trixie), these problems have been fixed in version 1.16.6-1~deb13u3.

We recommend that you upgrade your flatpak packages.

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

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 flatpak packages.

Plugin Details

Severity: High

ID: 350953

File Name: debian_DSA-6524.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 9/29/2026

Updated: 9/29/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.53

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-97024

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.7

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

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

CVSS Score Source: CVE-2026-90616

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:flatpak-tests, p-cpe:/a:debian:debian_linux:flatpak, p-cpe:/a:debian:debian_linux:gir1.2-flatpak-1.0, p-cpe:/a:debian:debian_linux:libflatpak-dev, p-cpe:/a:debian:debian_linux:libflatpak-doc, p-cpe:/a:debian:debian_linux:libflatpak0

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: 9/28/2026

Vulnerability Publication Date: 9/12/2026

Reference Information

CVE: CVE-2026-90616, CVE-2026-92162, CVE-2026-97023, CVE-2026-97024, CVE-2026-97025, CVE-2026-97026, CVE-2026-97027, CVE-2026-97029

IAVA: 2026-A-0990

Detections

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