Buffer overflow in bigint-buffer
Priority HIGH 77CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-120 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00738 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | bigint-buffer | 0.0.0 and later | — | No fix listed | CNA |
| — | bigint-buffer (npm) | up to 1.1.5 | — | No fix listed | GHSA-3gc7-fjrx-p6mg |
- bigint-buffer Vendor— Affected 0.0.0 and later Fixed in — No fix listed CNA
- bigint-buffer (npm) Vendor— Affected up to 1.1.5 Fixed in — No fix listed GHSA-3gc7-fjrx-p6mg
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3194
- 2026-10-03 Alias added: GHSA-3gc7-fjrx-p6mg
References
Sources
- CVE-2025-3194 · CVE Program
- CVE-2025-3194 · NVD
- FIRST EPSS
- GHSA-3gc7-fjrx-p6mg · GitHub Advisory Database · CC BY 4.0
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