Debian dla-4477 : libmunge-dev - security update

high Nessus Plugin ID 298586

Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4477 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4477-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz February 10, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : munge Version : 0.5.14-4+deb11u1 CVE ID : CVE-2026-25506

Titouan Lazard discovered a buffer overflow vulnerability in munge, an authentication service to create and validate credentials, which may allow local users to leak the MUNGE cryptographic key and forge arbitrary credentials.

Additional details can be found in the upstream advisory:
https://github.com/dun/munge/security/advisories/GHSA-r9cr-jf4v-75gh

For Debian 11 bullseye, this problem has been fixed in version 0.5.14-4+deb11u1.

We recommend that you upgrade your munge packages.

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

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

Solution

Upgrade the libmunge-dev packages.

Plugin Details

Severity: High

ID: 298586

File Name: debian_DLA-4477.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 2/10/2026

Updated: 2/10/2026

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

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Medium

Base Score: 5.7

Temporal Score: 4.2

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

CVSS Score Source: CVE-2026-25506

CVSS v3

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libmunge-dev, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:munge, p-cpe:/a:debian:debian_linux:libmunge2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/10/2026

Vulnerability Publication Date: 2/10/2026

Reference Information

CVE: CVE-2026-25506

Detections

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