CVE-2025-2173

Name: CVE-2025-2173
Creator: NVD / NIST
Published: 2025-03-11T07:15:36.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2025-2173 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

6.9/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.56%

42.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zapping-Vbi	Zvbi	< 0.2.44

References

https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dcePatch
https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44Release Notes
https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cfPatch, Vendor Advisory
https://vuldb.com/?ctiid.299202Permissions Required, VDB Entry
https://vuldb.com/?id.299202Third Party Advisory, VDB Entry
https://vuldb.com/?submit.512798Third Party Advisory, VDB Entry

Timeline

Published: Mar 11, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-2173?

How severe is CVE-2025-2173?

CVE-2025-2173 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2025-2173?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-2173?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST