Debian dsa-6540 : radsecproxy - security update

critical Nessus Plugin ID 362686

Synopsis

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

Description

The remote Debian 13 host has a package installed that is affected by a vulnerability as referenced in the dsa-6540 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6540-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff October 02, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : radsecproxy CVE ID : CVE-2026-104201

It was discovered that incomplete validation of MS-PPPE packets in radsecproxy, a Radius protocol proxy, could result in denial of service or potentially the execution of arbitrary code.

For the stable distribution (trixie), this problem has been fixed in version 1.11.2-1+deb13u1.

We recommend that you upgrade your radsecproxy packages.

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

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 radsecproxy packages.

Plugin Details

Severity: Critical

ID: 362686

File Name: debian_DSA-6540.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 10/2/2026

Updated: 10/2/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.38

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-104201

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:radsecproxy

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/2/2026

Vulnerability Publication Date: 10/2/2026

Reference Information

CVE: CVE-2026-104201

Detections

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