CVE-2026-2739
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.5%
exploitation probability
0.5%top 59% of all CVEs
observed exploitation
nono source reports it
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
Affected products
n/a · bn.jsReferences
https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64bhttps://github.com/indutny/bn.js/issues/186https://github.com/indutny/bn.js/issues/316https://github.com/indutny/bn.js/pull/317https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301