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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-2739 Detail

Description

This affects versions of the package bn.js before 5.2.3. Calling maskn(0) on any BN instance corrupts the internal state, causing toString(), divmod(), and other methods to enter an infinite loop, hanging the process indefinitely.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Snyk
CVSS-BT 5.5 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91 Snyk
https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b Snyk
https://github.com/indutny/bn.js/issues/186 Snyk
https://github.com/indutny/bn.js/issues/316 Snyk
https://github.com/indutny/bn.js/pull/317 Snyk
https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301 Snyk

Weakness Enumeration

CWE-ID CWE Name Source
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') Snyk  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-2739
NVD Published Date:
02/20/2026
NVD Last Modified:
02/20/2026
Source:
Snyk