CVE-2026-2739

CVSS 6.9 MEDIUMEPSS 0.5%CWE-835

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 6.9EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

20 feb 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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: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

Productos afectados

n/a · bn.js

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Referencias

https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91 https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b https://github.com/indutny/bn.js/issues/186 https://github.com/indutny/bn.js/issues/316 https://github.com/indutny/bn.js/pull/317 https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301