{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-122126", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-04T18:12:35.108Z", "datePublished": "2026-11-04T20:36:48.295Z", "dateUpdated": "2026-11-05T19:34:17.666Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-05T17:17:20.427Z"}, "datePublic": "2026-11-02T00:00:00.000Z", "title": "reSIProcate reTurn client through 1.14.0 Heap Buffer Overflow via TurnTcpSocket", "descriptions": [{"lang": "en", "value": "reSIProcate reTurn client through 1.14.0 contains a heap buffer overflow in TurnTcpSocket::handleReadHeader(), which TurnTlsSocket inherits, that allows malicious TURN servers or on-path attackers to overwrite memory via oversized frame lengths. Attackers can send STUN or ChannelData frames declaring up to 65535 bytes, writing roughly 57 KB past the fixed 8192-byte mReadBuffer and crashing the client. Only the synchronous TCP and TLS client is affected; the asynchronous client (TurnAsyncSocket) and the reTurn server are not."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Heap-based Buffer Overflow", "cweId": "CWE-122", "type": "CWE"}]}], "affected": [{"vendor": "resiprocate", "product": "resiprocate", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.14.0", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:resiprocate:resiprocate:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.14.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/resiprocate/resiprocate/pull/496", "tags": ["issue-tracking", "patch"], "name": "Pull Request #496"}, {"url": "https://github.com/resiprocate/resiprocate/commit/5bb559fd96298073cab369fdfa610f981fb01e95", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/resiprocate/resiprocate", "tags": ["product"]}, {"url": "https://github.com/resiprocate/resiprocate/blob/resiprocate-1.14.0/reTurn/client/TurnTcpSocket.cxx#L124-L147", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: reSIProcate reTurn client through 1.14.0 Heap Buffer Overflow via TurnTcpSocket", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/resiprocate-return-client-through-1.14.0-heap-buffer-overflow-via-turntcpsocket"}], "credits": [{"lang": "en", "value": "Deus Rex", "type": "finder"}, {"lang": "en", "value": "kitkatt7", "type": "finder"}, {"lang": "en", "value": "kitkatt7", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-05T19:34:00.602010Z", "id": "CVE-2026-122126", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-11-05T19:34:17.666Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.14.0]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "resiprocate", "source": "cna", "vendor": "resiprocate"}, "product": "resiprocate", "vendor": "resiprocate"}], "created": "2026-11-04T22:00:18.075922+00:00", "updated": "2026-11-05T19:45:15.818107+00:00", "vendors": ["resiprocate", "resiprocate$PRODUCT$resiprocate"]}