How severe is CVE-2025-2176?

CVE-2025-2176 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-2176 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2176?

CVE-2025-2176 affects Zapping-vbi Zvbi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2176?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-2176 have an EU (EUVD) identifier?

Yes. CVE-2025-2176 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7529.

When was CVE-2025-2176 published?

CVE-2025-2176 was published on 2025-03-11 and last updated on 2026-06-17.

CVE-2025-2176

CVE-2025-2176 is a high-severity vulnerability in Zapping-vbi Zvbi with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 6.9
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7529
Weakness: CWE-190
Affected product: Zapping-vbi Zvbi
Published: 2025-03-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-2176?: CVE-2025-2176 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-2176 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2176?: CVE-2025-2176 affects Zapping-vbi Zvbi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2176?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-2176 have an EU (EUVD) identifier?: Yes. CVE-2025-2176 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7529.
When was CVE-2025-2176 published?: CVE-2025-2176 was published on 2025-03-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zapping-vbi:zvbi:*:*:*:*:*:*:*:*

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