{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-2739", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-20T15:00:34.443345Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-20T15:02:17.287Z"}}], "cna": {"credits": [{"lang": "en", "value": "Kr0emer"}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "confidentialityImpact": "NONE"}, "cvssV4_0": {"version": "4.0", "baseScore": 6.9, "attackVector": "NETWORK", "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", "exploitMaturity": "PROOF_OF_CONCEPT", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "n/a", "product": "bn.js", "versions": [{"status": "affected", "version": "0", "lessThan": "5.2.3", "versionType": "semver"}]}], "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"}], "descriptions": [{"lang": "en", "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-835", "description": "Infinite loop"}]}], "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-02-20T13:27:09.218Z"}}}, "cveMetadata": {"cveId": "CVE-2026-2739", "state": "PUBLISHED", "dateUpdated": "2026-02-20T15:03:53.743Z", "dateReserved": "2026-02-19T10:59:37.687Z", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "datePublished": "2026-02-20T05:00:08.253Z", "assignerShortName": "snyk"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "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": "es", "value": "Esto afecta a las versiones del paquete bn.js anteriores a la 5.2.3. Al llamar a maskn(0) en cualquier instancia de BN se corrompe el estado interno, lo que provoca que toString(), divmod() y otros m\u00e9todos entren en un bucle infinito, bloqueando el proceso indefinidamente."}], "id": "CVE-2026-2739", "lastModified": "2026-02-20T13:49:47.623", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "report@snyk.io", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "report@snyk.io", "type": "Secondary"}]}, "published": "2026-02-20T05:17:53.033", "references": [{"source": "report@snyk.io", "url": "https://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91"}, {"source": "report@snyk.io", "url": "https://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b"}, {"source": "report@snyk.io", "url": "https://github.com/indutny/bn.js/issues/186"}, {"source": "report@snyk.io", "url": "https://github.com/indutny/bn.js/issues/316"}, {"source": "report@snyk.io", "url": "https://github.com/indutny/bn.js/pull/317"}, {"source": "report@snyk.io", "url": "https://security.snyk.io/vuln/SNYK-JS-BNJS-15274301"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "report@snyk.io", "type": "Secondary"}]}

{"bugzilla": {"description": "bn.js: bn.js: Denial of Service via calling maskn(0)", "id": "2441279", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2441279"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-835", "details": ["No description is available for this CVE."], "name": "CVE-2026-2739", "package_state": [{"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Out of support scope", "package_name": "openshift-logging/elasticsearch6-rhel9", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Out of support scope", "package_name": "openshift-logging/elasticsearch-operator-bundle", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Out of support scope", "package_name": "openshift-logging/elasticsearch-proxy-rhel9", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Out of support scope", "package_name": "openshift-logging/elasticsearch-rhel9-operator", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Out of support scope", "package_name": "openshift-logging/kibana6-rhel8", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Out of support scope", "package_name": "openshift-logging/logging-curator5-rhel9", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Fix deferred", "package_name": "openshift-pipelines/pipelines-hub-ui-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Fix deferred", "package_name": "openshift-pipelines/pipelines-hub-ui-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:service_mesh:2", "fix_state": "Out of support scope", "package_name": "openshift-service-mesh/kiali-ossmc-rhel8", "product_name": "OpenShift Service Mesh 2"}, {"cpe": "cpe:/a:redhat:service_mesh:3", "fix_state": "Out of support scope", "package_name": "openshift-service-mesh/kiali-operator-bundle", "product_name": "OpenShift Service Mesh 3"}, {"cpe": "cpe:/a:redhat:service_mesh:3", "fix_state": "Fix deferred", "package_name": "openshift-service-mesh/kiali-ossmc-rhel9", "product_name": "OpenShift Service Mesh 3"}, {"cpe": "cpe:/a:redhat:service_mesh:3", "fix_state": "Out of support scope", "package_name": "openshift-service-mesh/kiali-rhel9-operator", "product_name": "OpenShift Service Mesh 3"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp20/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp21/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp22/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp24/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp25/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp26/system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp2/system-rhel7", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp2/system-rhel8", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp2/system-rhel9", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:service_registry:2", "fix_state": "Fix deferred", "package_name": "io.apicurio-apicurio-registry", "product_name": "Red Hat build of Apicurio Registry 2"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mozjs60", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "pcs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "gjs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "pcs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "polkit", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Out of support scope", "package_name": "io.apicurio-apicurito", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Out of support scope", "package_name": "io.syndesis-syndesis-parent", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-console-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Fix deferred", "package_name": "devspaces/dashboard-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Out of support scope", "package_name": "org.kie-process-migration-service", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Out of support scope", "package_name": "org.kie.workbench-kie-wb-common", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Out of support scope", "package_name": "org.uberfire-uberfire-parent", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Out of support scope", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "package_name": "quay/quay-rhel9", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:amq_streams:2", "fix_state": "Fix deferred", "package_name": "com.github.streamshub-console", "product_name": "streams for Apache Kafka 2"}, {"cpe": "cpe:/a:redhat:amq_streams:3", "fix_state": "Fix deferred", "package_name": "com.github.streamshub-console", "product_name": "streams for Apache Kafka 3"}], "public_date": "2026-02-20T05:00:08Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-2739\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-2739\nhttps://gist.github.com/Kr0emer/02370d18328c28b5dd7f9ac880d22a91\nhttps://github.com/indutny/bn.js/commit/33df26b5771e824f303a79ec6407409376baa64b\nhttps://github.com/indutny/bn.js/issues/186\nhttps://github.com/indutny/bn.js/issues/316\nhttps://github.com/indutny/bn.js/pull/317\nhttps://security.snyk.io/vuln/SNYK-JS-BNJS-15274301"], "threat_severity": "Moderate"}