{"id":"CVE-2026-110712","revision":"d24a4c1e28224789b7af72d167e3d7c8","records":[{"revision":"d24a4c1e28224789b7af72d167e3d7c8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110712","aliases":[],"title":"libsmb2 through 6.2 Heap Out-of-Bounds Read via smb2_decode_file_all_info","description":"libsmb2 through 6.2 contains a heap out-of-bounds read vulnerability in smb2_decode_file_all_info that allows malicious SMB servers to crash clients by sending an unchecked FileNameLength. Attackers controlling the server or performing man-in-the-middle on unsigned sessions can return crafted FileAllInformation replies to smb2_stat or smb2_fstat calls, crashing the client.","state":0,"publishedAt":"2026-10-14T15:01:27.547+00:00","modifiedAt":"2026-10-14T17:40:05.91+00:00","affected":[{"ecosystem":"https://github.com/sahlberg/libsmb2","name":"libsmb2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sahlberg\",\n                    \"product\": \"libsmb2\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"6.2\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/sahlberg/libsmb2\",\n                    \"repo\": \"https://github.com/sahlberg/libsmb2\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haind-pwn/libsmb2-query-info-reply-oob-read","https://github.com/sahlberg/libsmb2/blob/d67e213a5c4e7e4969fd81f0b95e4ca5831fbba1/lib/smb2-data-file-info.c#L202","https://github.com/sahlberg/libsmb2/commit/57bee9fb941a39307145b82e4dd1718862f30a74","https://github.com/sahlberg/libsmb2","https://www.vulncheck.com/advisories/libsmb2-through-6.2-heap-out-of-bounds-read-via-smb2-decode-file-all-info"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110712","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110712","identifiers":["CVE-2026-110712"]},"retained":false,"historicalAffected":[]}],"coverage":[]}