How severe is CVE-2025-2174?

CVE-2025-2174 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-2174 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2174?

CVE-2025-2174 affects Zapping-vbi Zvbi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2174?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-2174 have an EU (EUVD) identifier?

Yes. CVE-2025-2174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7527.

When was CVE-2025-2174 published?

CVE-2025-2174 was published on 2025-03-11 and last updated on 2026-06-17.

CVE-2025-2174

CVE-2025-2174 is a medium-severity vulnerability in Zapping-vbi Zvbi with a CVSS 3.x base score of 5.3. 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: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 6.9
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7527
Weakness: CWE-190
Affected product: Zapping-vbi Zvbi
Published: 2025-03-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-2174?: CVE-2025-2174 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-2174 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2174?: CVE-2025-2174 affects Zapping-vbi Zvbi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2174?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-2174 have an EU (EUVD) identifier?: Yes. CVE-2025-2174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7527.
When was CVE-2025-2174 published?: CVE-2025-2174 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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