{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114042", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-20T21:41:06.179Z", "datePublished": "2026-10-21T00:36:22.092Z", "dateUpdated": "2026-10-21T00:36:22.092Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-21T00:36:22.092Z"}, "datePublic": "2026-10-05T00:00:00.000Z", "title": "FreeRDP 3.32.0 Use-After-Free via drdynvc Virtual Channel PDU", "descriptions": [{"lang": "en", "value": "FreeRDP 3.32.0 contains a use-after-free vulnerability in the drdynvc channel that frees a pool-owned stream with the owned-stream deallocator when totalLength is smaller than the chunk size. A malicious RDP server can send a single well-formed Virtual Channel PDU to trigger the free and crash the client during teardown."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use After Free", "cweId": "CWE-416", "type": "CWE"}]}], "affected": [{"vendor": "FreeRDP", "product": "FreeRDP", "defaultStatus": "unaffected", "versions": [{"version": "3.32.0", "status": "affected", "versionType": "semver", "lessThan": "3.32.1"}, {"version": "3.32.1", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.32.1", "versionStartIncluding": "3.32.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5xjc-c64q-m8r6", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-5xjc-c64q-m8r6)"}, {"name": "VulnCheck Advisory: FreeRDP 3.32.0 Use-After-Free via drdynvc Virtual Channel PDU", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/freerdp-3.32.0-use-after-free-via-drdynvc-virtual-channel-pdu"}], "credits": [{"lang": "en", "value": "Michael-JRead", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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