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Vulnerability · Published Mar 11, 2025 · Assigned by VulDB

CVE-2025-2174libzvbi conv.c vbi_strndup_iconv_ucs2 integer overflow

Medium 5.3

In plain English

A medium-severity integer overflow in libzvbi. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.8%top 42.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in libzvbi up to 0.2.43. It has been declared as problematic. Affected by this vulnerability is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to integer overflow. The attack can be launched 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 named ca1672134b3e2962cd392212c73f44f8f4cb489f. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12zvbi0.2.41-1+deb12u1DEBIAN-CVE-2025-2174
Debian:13zvbi0.2.44-1DEBIAN-CVE-2025-2174
Debian:14zvbi0.2.44-1DEBIAN-CVE-2025-2174

Affected products (as reported)

VendorProductVersions
n/a libzvbi 0.2.00.2.10.2.20.2.30.2.40.2.50.2.60.2.7

Weakness: CWE-190, CWE-189 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References