{"id":"CVE-2026-15370","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-15370","generatedAt":"2026-10-28T00:27:49.125Z","title":"During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer.","description":"A flaw was found in libssh. During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer. When a client causes the server to list attacker-controlled filenames, sufficiently long names can overflow that stack buffer and may lead to crashes or possible code execution on the server.","published":"2026-07-21T09:16:54.000Z","lastModified":"2026-09-22T19:47:33.000Z","status":"Analyzed","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-121"],"affected":["libssh/libssh","redhat/hardened images","redhat/enterprise linux","redhat/enterprise linux for els","redhat/enterprise linux for eus","redhat/enterprise linux for ibm z systems","redhat/enterprise linux for ibm z systems els","redhat/enterprise linux for ibm z systems eus","redhat/enterprise linux for power little endian","redhat/enterprise linux for power little endian els","redhat/enterprise linux for power little endian eus"],"epss":{"score":0.00168,"percentile":0.05957,"date":"2026-10-26","history":[]},"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 (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:47768","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:55855","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-15370","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499049","tags":["Issue Tracking","Vendor Advisory"],"source":"secalert@redhat.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-15370","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."}