CVE-2025-2173

MEDIUM

libzvbi <0.2.43 - Uninitialized Pointer

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.3
EPSS 0.0028
EPSS Percentile 51.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-908 CWE-824
Status published
Products (1)
zapping-vbi/zvbi < 0.2.44
Published Mar 11, 2025
Tracked Since Feb 18, 2026