Debian dla-4644 : libmatio-dev - security update

medium Nessus Plugin ID 322406

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Synopsis

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

Description

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4644 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4644-1 [email protected] https://www.debian.org/lts/security/ Andreas Henriksson June 24, 2026 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : libmatio Version : 1.5.23-2+deb12u1 CVE ID : CVE-2025-2337 CVE-2025-2338 CVE-2025-50343 Debian Bug : 1100992 1104247 1124797

Multiple vulnerabilities has been discovered in libmatio, a MAT File I/O Library.

CVE-2025-2337

A vulnerability, which was classified as critical, has been found in libmatio Mat_VarPrint function. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

CVE-2025-2338

A Denial of Service (DoS) and head-based buffer overflow was found, which could potentially lead to remote code execution if libmatio is embedded in services that accepts user-supplied .mat files.

CVE-2025-50343

A Denial of Service (DoS) and in certain cases heap corruption vulnerability was found, which could lead to potential remote code execution if libmatio is embedded in services that accepts user-supplied .mat files.

For Debian 12 bookworm, these problems have been fixed in version 1.5.23-2+deb12u1.

For Debian 11 bullseye, see separate DLA-4459-1.

We recommend that you upgrade your libmatio packages.

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

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 Attachment:
signature.asc Description: PGP signature

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 libmatio-dev packages.

Plugin Details

Severity: Medium

ID: 322406

File Name: debian_DLA-4644.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 6/24/2026

Updated: 6/25/2026

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: 4.9

Percentile: 57.49

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2025-2338

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 2.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libmatio-dev, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:matio-tools, p-cpe:/a:debian:debian_linux:libmatio11, p-cpe:/a:debian:debian_linux:libmatio-doc

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: 6/24/2026

Vulnerability Publication Date: 3/16/2025

Reference Information

CVE: CVE-2025-2337, CVE-2025-2338, CVE-2025-50343

Detections

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