{"schema":"threatline.record/2","record":{"id":"CVE-2026-110713","aliases":[],"summary":"libsmb2 through 6.2 Heap Out-of-Bounds Read via File System Info Decoders","details":"libsmb2 through 6.2 contains a heap out-of-bounds read vulnerability in smb2_decode_file_fs_volume_info and smb2_decode_file_fs_attribute_info that allows malicious SMB servers to read past reply buffers. Attackers controlling a server or intercepting unsigned sessions can send crafted QUERY_INFO replies with missing or oversized name lengths to crash the client.","categories":["Unclassified"],"product":"libsmb2","vendor":"sahlberg","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110713","source_modified_at":"2026-10-14T19:49:00.922Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"libsmb2","vendor":"sahlberg","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"6.2"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00467,"percentile":0.39516,"score_date":"2026-10-23"},"published_at":"2026-10-14T15:01:28.343Z","modified_at":"2026-10-14T19:49:00.922Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110713","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T19:49:00.922Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110713","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haind-pwn/libsmb2-query-info-reply-oob-read","tags":["technical-description","exploit"]},{"source":"CVE List","url":"https://github.com/sahlberg/libsmb2/blob/d67e213a5c4e7e4969fd81f0b95e4ca5831fbba1/lib/smb2-data-filesystem-info.c#L71","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/sahlberg/libsmb2/commit/dd0bbdee24bb56f7ec95431afc07ce0a666533f7","tags":["patch"]},{"source":"CVE List","url":"https://github.com/sahlberg/libsmb2","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/libsmb2-through-6.2-heap-out-of-bounds-read-via-file-system-info-decoders","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":"no","technical_impact":"partial","assessed_at":"2026-10-14T19:48:50.990448Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T19:49:00.922Z","content_hash":"d50bb910561d042ddd0494527b10054860a4a110e315c0660d861392f1411da5"}}
