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.

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CVE-2026-2739

A flaw was found in bn.js. When calling the maskn0 function on a BN instance, there is potential for this action to corrupt the internal state of the library, causing critical methods such as toString and divmod to enter an infinite loop. The primary consequence is a Denial of Service DoS, where...

DEBIAN-CVE-2026-2739

This affects versions of the package bn.js before 5.2.3. Calling maskn0 on any BN instance corrupts the internal state, causing toString, divmod, and other methods to enter an infinite loop, hanging the process indefinitely...

CVE-2026-2739

This affects versions of the package bn.js before 5.2.3. Calling maskn0 on any BN instance corrupts the internal state, causing toString, divmod, and other methods to enter an infinite loop, hanging the process indefinitely...

CVE-2026-2739

CVE-2026-2739 affects bn.js versions before 5.2.3. Calling maskn(0) on any BN instance corrupts internal state, causing toString(), divmod(), and related methods to enter an infinite loop and hang the process. The Snyk/NVD/CVE listings confirm the impact and provide examples; the recommended reme...

bn.js 安全漏洞

bn.js is a large number processing library developed by Fedor Indutny. Versions of bn.js prior to 5.2.3 contained security vulnerabilities. These vulnerabilities stemmed from calling maskn0 on any BN instance, which could corrupt internal state. This allowed methods like toString and divmod to...

Infinite loop

Overview Affected versions of this package are vulnerable to Infinite loop. Calling maskn0 on any BN instance corrupts the internal state, causing toString, divmod, and other methods to enter an infinite loop, hanging the process indefinitely. PoC javascript const BN = require'bn.js'; // any...

Infinite loop

Overview Affected versions of this package are vulnerable to Infinite loop. Calling maskn0 on any BN instance corrupts the internal state, causing toString, divmod, and other methods to enter an infinite loop, hanging the process indefinitely. PoC javascript const BN = require'bn.js'; // any...