Access of Uninitialized Pointer in zvbi - CVE-2025-2173

 

Access of Uninitialized Pointer in zvbi - CVE-2025-2173

Published: March 24, 2025


Vulnerability identifier: #VU105976
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-2173
CWE-ID: CWE-824
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: zapping-vbi
Affected software:
zvbi

Detailed vulnerability description

The vulnerability allows a remote attacker to preform a denial of service (DoS) attack.

The vulnerability exists due to access to uninitialized pointer within the vbi_strndup_iconv_ucs2() function in src/conv.c. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2025-2173

Install updates from vendor's website.

Sources