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CVE-2025-3194

bigint-buffer Vulnerable to Buffer Overflow via toBigIntLE() Function

8.7 HighPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.74%Up 0.7 points since Apr 4, 2025
90%50%10%1%

What each source reports

CVE List Score used 8.7

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.

Record
CVE-2025-3194
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P
Weakness
CWE-120, CWE-120
Updated
2026-11-02
EUVDEUVD-2025-9701 8.7

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.

Record
EUVD-2025-9701
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
Updated
2026-11-02
GitHub AdvisoriesGHSA-3gc7-fjrx-p6mg 7.7

bigint-buffer Vulnerable to Buffer Overflow via toBigIntLE() Function

Versions of the package bigint-buffer from 0.0.0 to 1.1.5 are vulnerable to Buffer Overflow in the toBigIntLE() function. Attackers can exploit this to crash the application.

Record
GHSA-3gc7-fjrx-p6mg
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-120
Updated
2026-11-02
NVD 7.7

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.

Record
CVE-2025-3194
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-120
Updated
2026-11-02
OSVGHSA-3gc7-fjrx-p6mg 7.7

bigint-buffer Vulnerable to Buffer Overflow via toBigIntLE() Function

Versions of the package bigint-buffer from 0.0.0 to 1.1.5 are vulnerable to Buffer Overflow in the toBigIntLE() function. Attackers can exploit this to crash the application.

Record
GHSA-3gc7-fjrx-p6mg
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-120
Updated
2026-11-02
OSVCLSA-2026-1773879460 No score

TuxCare security update for bigint-buffer (1 CVE)

TuxCare rebuilt bigint-buffer to address 1 CVE. Fixed in 1.1.5-tuxcare.1.

Record
CLSA-2026-1773879460
Updated
2026-11-02
OSVROOT-APP-NPM-CVE-2025-3194 No score

CVE-2025-3194 in @rootio/bigint-buffer - Patched by Root

Root has patched CVE-2025-3194 in the @rootio/bigint-buffer package for Root:npm. Multiple fixed versions available.

Record
ROOT-APP-NPM-CVE-2025-3194
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
bigint-buffer
npm
 through 1.1.5 None known
bigint-buffer
TuxCare:npm
 1.1.5-tuxcare.0 up to 1.1.5-tuxcare.1, plus listed versions
1.1.5
1.1.5-tuxcare.1
@rootio/bigint-buffer
Root:npm
 before 1.1.5-root.io.1
1.1.5-root.io.1
bigint-buffer
Root:npm
 before 1.1.5-aikido.1
1.1.5-aikido.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubLoserLab/bigint-buffer-safe2026-03-09
PoC in GitHubdisley15-collab/bigint-buffer-js2026-09-17

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-3194 is a high vulnerability (CVSS 8.7) in bigint-buffer, published April 4, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. Fixed in bigint-buffer 1.1.5-tuxcare.1.

References

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