{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-83745", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-08-31T22:53:07.156Z", "datePublished": "2026-10-02T12:16:15.128Z", "dateUpdated": "2026-10-02T17:16:55.903Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-02T12:16:15.128Z"}, "title": "Apache Thrift, Apache Thrift: WebSocket frame decoders allocate the payload buffer from the declared length, not the bytes received (Node.js, D)", "problemTypes": [{"descriptions": [{"description": "CWE-789 Memory allocation with excessive size value", "lang": "en", "cweId": "CWE-789", "type": "CWE"}]}, {"descriptions": [{"description": "CWE-130 Improper handling of length parameter inconsistency", "lang": "en", "cweId": "CWE-130", "type": "CWE"}]}], "source": {"discovery": "EXTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Thrift", "packageURL": "pkg:npm/thrift", "versions": [{"status": "affected", "version": "0", "lessThan": "0.25.0", "versionType": "semver"}], "defaultStatus": "unaffected", "collectionURL": "https://registry.npmjs.org", "packageName": "thrift"}, {"vendor": "Apache Software Foundation", "product": "Apache Thrift", "packageName": "D language bindings", "versions": [{"status": "affected", "version": "0", "lessThan": "0.25.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Memory allocation with excessive size value, Improper handling of length parameter inconsistency vulnerability in Apache Thrift\u00a0\nnodejs and D lang bindings.\n\nBoth bindings' WebSocket server transports read the payload length out of the\u00a0frame header and allocate that many bytes immediately, without checking that the\u00a0bytes have arrived. 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{"affected": [{"affectedData": [{"collectionURL": "https://registry.npmjs.org", "defaultStatus": "unaffected", "packageName": "thrift", "packageURL": "pkg:npm/thrift", "product": "Apache Thrift", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "0.25.0", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageName": "D language bindings", "product": "Apache Thrift", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "0.25.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Memory allocation with excessive size value, Improper handling of length parameter inconsistency vulnerability in Apache Thrift\u00a0\nnodejs and D lang bindings.\n\nBoth bindings' WebSocket server transports read the payload length out of the\u00a0frame header and allocate that many bytes immediately, without checking that the\u00a0bytes have arrived. A single ~14-byte frame therefore commits as much memory as it cares to declare -- measured at 513 MiB against the Node.js server and 2 GiB against the D transport -- and in the Node.js case the connection is left open afterwards, so the frame can simply be sent again.\n\n\n\n\nThis issue affects Apache Thrift before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue."}], "id": "CVE-2026-83745", "lastModified": "2026-10-02T18:17:05.870", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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:H/SC:N/SI:N/SA:N/E:X/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": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@apache.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-83745", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-02T17:16:38.442092Z", "version": "2.0.3"}}]}, "published": "2026-10-02T13:17:58.927", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread/64y7f0b89mnq4xoqcn4h26to8kskolgc"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-130"}, {"lang": "en", "value": "CWE-789"}], "source": "security@apache.org", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2026:74369", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "thrift-main-0.25.0-0.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-10-01T00:00:00Z"}], "bugzilla": {"description": "thrift: thrift: Denial of Service via excessive memory allocation in WebSocket transport", "id": "2545142", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545142"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-130", "details": ["A flaw was found in Apache Thrift. A remote attacker can cause a Denial of Service (DoS) against the Node.js and D WebSocket server transports by sending a frame specifying an excessively large payload length. Because the server immediately allocates the declared amount of memory without verifying that the payload data has arrived, an attacker can rapidly exhaust system memory and crash the service."], "name": "CVE-2026-83745", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:7", "fix_state": "Affected", "package_name": "thrift", "product_name": "Red Hat Ceph Storage 7"}, {"cpe": "cpe:/a:redhat:ceph_storage:8", "fix_state": "Affected", "package_name": "thrift", "product_name": "Red Hat Ceph Storage 8"}, {"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Affected", "package_name": "thrift", "product_name": "Red Hat Ceph Storage 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Affected", "package_name": "thrift", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}], "public_date": "2026-10-02T12:16:15Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-83745\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-83745\nhttps://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1\nhttps://lists.apache.org/thread/64y7f0b89mnq4xoqcn4h26to8kskolgc"], "threat_severity": "Important"}

{"created": "2026-10-02T13:30:06.417721+00:00", "updated": "2026-10-02T13:30:06.417726+00:00", "vendors": []}