Integer overflow in Zapping-Vbi Zvbi
CVE-2025-2176
A vulnerability classified as critical has been found in libzvbi up to 0.2.43. This affects the function vbi_capture_sim_load_caption of the file src/io-sim.c. The manipulation leads to integer overflow. It is possible to initiate 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 identifier of the patch is 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 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.007 (49.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Zapping-Vbi Zvbi
- Libzvbi — versions 0.2.0, 0.2.1, 0.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
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, Third Party 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-2025-2176?
- CVE-2025-2176 is a high-severity vulnerability in Zapping-Vbi Zvbi, classified under CWE-189. CVSS score: 7.3/10. Published 2025-03-11.
- How severe is CVE-2025-2176?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2025-2176 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.