{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2739","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","state":"PUBLISHED","assignerShortName":"snyk","dateReserved":"2026-02-19T10:59:37.687Z","datePublished":"2026-02-20T05:00:08.253Z","dateUpdated":"2026-02-20T15:03:53.743Z"},"containers":{"cna":{"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","exploitCodeMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P"},"cvssV4_0":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"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"}}],"credits":[{"value":"Kr0emer","lang":"en"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-835","description":"Infinite loop","lang":"en"}]}],"providerMetadata":{"orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","shortName":"snyk","dateUpdated":"2026-02-20T13:27:09.218Z"},"descriptions":[{"value":"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.","lang":"en"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301"},{"url":"https://github.com/indutny/bn.js/issues/316"},{"url":"https://github.com/indutny/bn.js/issues/186"},{"url":"https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91"},{"url":"https://github.com/indutny/bn.js/pull/317"},{"url":"https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b"}],"affected":[{"product":"bn.js","versions":[{"version":"0","lessThan":"5.2.3","status":"affected","versionType":"semver"}],"vendor":"n/a"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-20T15:00:34.443345Z","id":"CVE-2026-2739","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-20T15:03:53.743Z"}}]}}