{"schema":"threatline.record/2","record":{"id":"CVE-2026-109951","aliases":["GHSA-g4wg-67xq-8q53"],"summary":"FreeRDP 3.17.1 before 3.32.0 Heap Buffer Over-Read via Proxy DRDYNVC Channel Name","details":"FreeRDP 3.17.1 before 3.32.0 contains a heap buffer over-read vulnerability in DynvcTrackerHandleCreateBack of the freerdp-proxy DRDYNVC channel handler that allows malicious backend RDP servers to read heap memory out of bounds. Attackers can send a CREATE_REQUEST_PDU whose channel name lacks a NUL byte, causing an unbounded snprintf read that leaks memory into proxy logs or crashes the process.","categories":["Unclassified"],"product":"FreeRDP","vendor":"FreeRDP","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109951","source_modified_at":"2026-10-18T12:09:30.284Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"FreeRDP","vendor":"FreeRDP","versions":[{"version":"3.17.1","status":"affected","versionType":"semver","lessThan":"3.32.0"},{"version":"3.32.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109951","source_modified_at":"2026-10-18T12:09:30.284Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"FreeRDP","ecosystem":null},"version":"3.32.0","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00314,"percentile":0.23141,"score_date":"2026-10-23"},"published_at":"2026-10-13T13:27:17.101Z","modified_at":"2026-10-18T12:09:30.284Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109951","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-18T12:09:30.284Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109951","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-g4wg-67xq-8q53","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/freerdp-3.17.1-before-3.32.0-heap-buffer-over-read-via-proxy-drdynvc-channel-name","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-18T12:09:25.435911Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-18T12:09:30.284Z","content_hash":"70d5050123b7a8b9364745d5aa39aa1a04c07ff9c4baf213cb915530c6bae210"}}