CVE-2026-2739 | BDVDB-2026-316596 Detail
bn.js
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.
Weaknesses#
- CWE-835 Infinite loop
References#
- https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301
- https://github.com/indutny/bn.js/issues/316
- https://github.com/indutny/bn.js/issues/186
- https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91
- https://github.com/indutny/bn.js/pull/317
- https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.