{"id":"CVE-2026-110712","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110712","generatedAt":"2026-10-28T02:20:14.526Z","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.","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.","published":"2026-10-14T16:17:43.000Z","lastModified":"2026-10-16T19:18:45.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":{"score":0.00441,"percentile":0.38111,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00448,"percentile":0.37397}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T16:17:43.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-10-14T16:17:43.193Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://github.com/sahlberg/libsmb2","source":"disclosure@vulncheck.com"},{"url":"https://github.com/sahlberg/libsmb2/blob/d67e213a5c4e7e4969fd81f0b95e4ca5831fbba1/lib/smb2-data-file-info.c#L202","source":"disclosure@vulncheck.com"},{"url":"https://github.com/sahlberg/libsmb2/commit/57bee9fb941a39307145b82e4dd1718862f30a74","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/libsmb2-query-info-reply-oob-read","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/libsmb2-through-6.2-heap-out-of-bounds-read-via-smb2-decode-file-all-info","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110712","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}