How severe is CVE-2025-3194?

CVE-2025-3194 has a CVSS 3.x base score of 7.5, rated high 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 high.

Is CVE-2025-3194 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-3194?

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-2025-3194 have an EU (EUVD) identifier?

Yes. CVE-2025-3194 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9701.

When was CVE-2025-3194 published?

CVE-2025-3194 was published on 2025-04-04 and last updated on 2026-06-17.

CVE-2025-3194

CVE-2025-3194 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 7.7
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9701
Weakness: CWE-120
Published: 2025-04-04
Last modified: 2026-06-17

Description

Versions of the package bigint-buffer from 0.0.0 are vulnerable to Buffer Overflow in the toBigIntLE() function. Attackers can exploit this to crash the application.

Frequently asked questions

What is CVE-2025-3194?: Versions of the package bigint-buffer from 0.0.0 are vulnerable to Buffer Overflow in the toBigIntLE() function. Attackers can exploit this to crash the application.
How severe is CVE-2025-3194?: CVE-2025-3194 has a CVSS 3.x base score of 7.5, rated high 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 high.
Is CVE-2025-3194 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-3194?: 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-2025-3194 have an EU (EUVD) identifier?: Yes. CVE-2025-3194 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9701.
When was CVE-2025-3194 published?: CVE-2025-3194 was published on 2025-04-04 and last updated on 2026-06-17.

References

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