CVE-2026-2739 (GCVE-0-2026-2739)
Vulnerability from cvelistv5
Published
2026-02-20 05:00
Modified
2026-02-20 15:03
Severity ?
5.5 (Medium) - 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
CWE
Summary
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.
References
Impacted products
Vendor Product Version
n/a bn.js Version: 0   ≤
Show details on NVD website

To clipboard 

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                "id": "CVE-2026-2739",
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                "timestamp": "2026-02-20T15:00:34.443345Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P",
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        "dateUpdated": "2026-02-20T13:27:09.218Z",
        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
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          "url": "https://github.com/indutny/bn.js/issues/316"
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    "dateReserved": "2026-02-19T10:59:37.687Z",
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
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