Debian dla-4449 : libzvbi-common - security update

medium Nessus Plugin ID 296509

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-4449 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4449-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz January 24, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : zvbi Version : 0.2.35-18+deb11u1 CVE ID : CVE-2025-2173 CVE-2025-2174 CVE-2025-2175 CVE-2025-2176 CVE-2025-2177

Several issues have been found in zvbi, a Vertical Blanking Interval decoder.
CVE-2025-2173 is related to an uninitialized pointer in src/conv.c::
vbi_strndup_iconv_ucs2() The other issues are related to integer overflows in several functions distributed all over the code.

For Debian 11 bullseye, these problems have been fixed in version 0.2.35-18+deb11u1.

We recommend that you upgrade your zvbi packages.

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

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 libzvbi-common packages.

Plugin Details

Severity: Medium

ID: 296509

File Name: debian_DLA-4449.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/24/2026

Updated: 1/24/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2025-2177

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2025-2176

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:zvbi, p-cpe:/a:debian:debian_linux:libzvbi-common, p-cpe:/a:debian:debian_linux:libzvbi-dev, p-cpe:/a:debian:debian_linux:libzvbi-doc, p-cpe:/a:debian:debian_linux:libzvbi0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/24/2026

Vulnerability Publication Date: 3/11/2025

Reference Information

CVE: CVE-2025-2173, CVE-2025-2174, CVE-2025-2175, CVE-2025-2176, CVE-2025-2177

IAVA: 2025-A-0190

Detections

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