Debian dla-4281 : iperf3 - security update

critical Nessus Plugin ID 254406

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Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4281 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4281-1 [email protected] https://www.debian.org/lts/security/ Adrian Bunk August 24, 2025 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : iperf3 Version : 3.9-1+deb11u3 CVE ID : CVE-2025-54349 CVE-2025-54350 Debian Bug : 1110376

Two vulnerabilities have been fixed in the IP bandwidth measuring tool iperf3.

CVE-2025-54349

heap buffer overflow

CVE-2025-54350

reachable assert

For Debian 11 bullseye, these problems have been fixed in version 3.9-1+deb11u3.

We recommend that you upgrade your iperf3 packages.

For the detailed security status of iperf3 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/iperf3

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

Solution

Upgrade the iperf3 packages.

Plugin Details

Severity: Critical

ID: 254406

File Name: debian_DLA-4281.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 8/24/2025

Updated: 8/24/2025

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

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-2025-54349

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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:11.0, p-cpe:/a:debian:debian_linux:libiperf0, p-cpe:/a:debian:debian_linux:libiperf-dev, p-cpe:/a:debian:debian_linux:iperf3

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/24/2025

Vulnerability Publication Date: 8/3/2025

Reference Information

CVE: CVE-2025-54349, CVE-2025-54350

Detections

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