Integer overflow in Zapping-Vbi Zvbi
CVE-2025-2174
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.008 (55.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Zapping-Vbi Zvbi
- Libzvbi — versions 0.2.0, 0.2.1, 0.2.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf (related, Patch, Vendor Advisory)
- github.com/zapping-vbi/zvbi/commit/ca1672134b3e2962cd392212c73f44f8f4cb489f (Patch, patch)
- github.com/zapping-vbi/zvbi/releases/tag/v0.2.44 (Release Notes, patch)
Frequently asked questions
- What is CVE-2025-2174?
- CVE-2025-2174 is a medium-severity vulnerability in Zapping-Vbi Zvbi, classified under CWE-189. CVSS score: 5.3/10. Published 2025-03-11.
- How severe is CVE-2025-2174?
- Medium severity. CVSS v3 base score is 5.3 out of 10.