CVE-2026-2739
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.
CVSS score
—
EPSS probability
%0.5
Risk score
—
Published
8 mo ago
Vulnerability Timeline (Change History)
CVE-2026-2739 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 04.11.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 10.02.2026 | CISA Coordinator | SSVC Risk Re-assessment | SSVC / KEV | exploitation: none | exploitation: none |
| 10.02.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-2739 |
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