{"id":"CVE-2026-110712","title":"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","summary":"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 m…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-125"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T18:17:36.103","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110712","references":[{"url":"https://github.com/sahlberg/libsmb2","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sahlberg/libsmb2/blob/d67e213a5c4e7e4969fd81f0b95e4ca5831fbba1/lib/smb2-data-file-info.c#L202","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sahlberg/libsmb2/commit/57bee9fb941a39307145b82e4dd1718862f30a74","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/libsmb2-query-info-reply-oob-read","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/libsmb2-through-6.2-heap-out-of-bounds-read-via-smb2-decode-file-all-info","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-14T16:40:32.115Z","slug":"CVE-2026-110712","body":"## Overview\n\nlibsmb2 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}