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CVE Vulnerability Details :
CVE-2026-2739
PUBLISHED
More InfoOfficial Page
Assigner-snyk
Assigner Org ID-bae035ff-b466-4ff4-94d0-fc9efd9e1730
View Known Exploited Vulnerability (KEV) details
Published At-20 Feb, 2026 | 05:00
Updated At-20 Feb, 2026 | 15:03
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
bn.js
Versions
Affected
  • From 0 before 5.2.3 (semver)
Problem Types
TypeCWE IDDescription
N/AN/AInfinite loop
Type: N/A
CWE ID: N/A
Description: Infinite loop
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
4.06.9MEDIUM
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
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
Version: 4.0
Base score: 6.9
Base severity: 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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Kr0emer
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301
N/A
https://github.com/indutny/bn.js/issues/316
N/A
https://github.com/indutny/bn.js/issues/186
N/A
https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91
N/A
https://github.com/indutny/bn.js/pull/317
N/A
https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b
N/A
Hyperlink: https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301
Resource: N/A
Hyperlink: https://github.com/indutny/bn.js/issues/316
Resource: N/A
Hyperlink: https://github.com/indutny/bn.js/issues/186
Resource: N/A
Hyperlink: https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91
Resource: N/A
Hyperlink: https://github.com/indutny/bn.js/pull/317
Resource: N/A
Hyperlink: https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found