CVE-2025-3194

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2025-04-04. the CNA's CVSS baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:snyk, epss, ghsa
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

April 4, 2025

Last Modified

July 18, 2026

Advisory Details (1)

Auto-updated Jul 15, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Buffer Overflow in bigint-buffer | CVE-2025-3194 | Snyk

https://security.snyk.io/vuln/SNYK-JS-BIGINTBUFFER-3364597

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
npmbigint-buffer—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
bigint-buffer———

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 164 total refreshes for this CVE.

  1. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-17 19:29 UTCEPSS rescore
  4. 2026-09-16 14:07 UTCEPSS rescore
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  18. 2026-08-30 19:16 UTCEPSS rescore
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  24. 2026-08-23 00:18 UTCEPSS rescore
  25. 2026-08-21 23:48 UTCEPSS rescore
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  1. 2026-08-20 22:54 UTCEPSS rescore
  2. 2026-08-19 17:03 UTCEPSS rescore
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  4. 2026-08-18 13:47 UTCEPSS rescore
  5. 2026-08-17 13:46 UTCEPSS rescore
  6. 2026-08-16 14:55 UTCEPSS rescore
  7. 2026-08-16 02:13 UTCEPSS rescore
  8. 2026-08-15 01:29 UTCEPSS rescore
  9. 2026-08-13 21:59 UTCEPSS rescore
  10. 2026-08-12 13:50 UTCEPSS rescore
  11. 2026-08-09 13:46 UTCEPSS rescore
  12. 2026-08-08 16:36 UTCEPSS rescore
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  19. 2026-08-01 04:15 UTCEPSS rescore
  20. 2026-07-30 16:27 UTCEPSS rescore
  21. 2026-07-30 01:29 UTCEPSS rescore
  22. 2026-07-28 15:35 UTCEPSS rescore
  23. 2026-07-26 14:54 UTCEPSS rescore
  24. 2026-07-25 14:17 UTCEPSS rescore
  25. 2026-07-25 14:17 UTCEPSS rescore
  26. 2026-07-24 14:17 UTCEPSS rescore
  27. 2026-07-23 02:53 UTCEG score recompute
  28. 2026-07-22 14:07 UTCEPSS rescore
  29. 2026-07-22 14:07 UTCEPSS rescore
  30. 2026-07-21 15:24 UTCEPSS rescore
  31. 2026-07-20 17:07 UTCEPSS rescore
  32. 2026-07-19 14:30 UTCEPSS rescore
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  36. 2026-07-18 10:04 UTCEPSS rescore
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  38. 2026-07-16 17:02 UTCEPSS rescore
  39. 2026-07-15 16:57 UTCEPSS rescore
  40. 2026-07-15 16:57 UTCEPSS rescore
  41. 2026-07-15 01:59 UTCEPSS rescore
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  43. 2026-07-13 22:29 UTCEPSS rescore
  44. 2026-07-13 22:29 UTCEPSS rescore
  45. 2026-07-13 06:12 UTCEPSS rescore
  46. 2026-07-12 05:46 UTCEPSS rescore
  47. 2026-07-11 08:27 UTCEPSS rescore
  48. 2026-07-11 08:27 UTCEPSS rescore
  49. 2026-07-09 19:09 UTCEPSS rescore
  50. 2026-07-09 19:09 UTCEPSS rescore
  51. 2026-07-07 13:45 UTCEPSS rescore
  52. 2026-07-06 16:27 UTCEPSS rescore
  53. 2026-07-06 16:27 UTCEPSS rescore
  54. 2026-07-06 02:23 UTCEPSS rescore
  55. 2026-07-05 02:30 UTCEPSS rescore
  56. 2026-07-04 06:30 UTCEPSS rescore
  57. 2026-07-01 15:06 UTCEPSS rescore
  58. 2026-07-01 15:06 UTCEPSS rescore
  59. 2026-06-30 23:22 UTCEPSS rescore
  60. 2026-06-30 23:22 UTCEPSS rescore
  61. 2026-06-29 14:06 UTCEPSS rescore
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  63. 2026-06-28 14:07 UTCEPSS rescore
  64. 2026-06-28 14:07 UTCEPSS rescore
  65. 2026-06-28 04:55 UTCEPSS rescore
  66. 2026-06-28 04:55 UTCEPSS rescore
  67. 2026-06-27 03:08 UTCEPSS rescore
  68. 2026-06-27 03:08 UTCEPSS rescore
  69. 2026-06-25 13:49 UTCEPSS rescore
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  71. 2026-06-24 14:04 UTCEPSS rescore
  72. 2026-06-24 14:04 UTCEPSS rescore
  73. 2026-06-23 21:32 UTCEPSS rescore
  74. 2026-06-23 21:32 UTCEPSS rescore
  75. 2026-06-22 14:25 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-3194?
CVE-2025-3194 is a high vulnerability published on April 4, 2025. 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.
When was CVE-2025-3194 disclosed?
CVE-2025-3194 was first published in the National Vulnerability Database on April 4, 2025, with the most recent update on July 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-3194 actively exploited?
CVE-2025-3194 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 53.1% of all scored CVEs.
What is the CVSS score of CVE-2025-3194?
CVE-2025-3194 has a CVSS v4.0 base score of 7.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2025-3194?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-3194, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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