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.
History

Fri, 20 Feb 2026 05:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-835
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P'}

cvssV4_0

{'score': 6.9, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: snyk

Published:

Updated: 2026-02-20T05:00:08.253Z

Reserved: 2026-02-19T10:59:37.687Z

Link: CVE-2026-2739

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-20T05:17:53.033

Modified: 2026-02-20T05:17:53.033

Link: CVE-2026-2739

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.