{"affected":[{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libssh","product":"Red Hat Enterprise Linux 10","source":"CNA: redhat","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:0.12.0-3.el10_2","versionType":"rpm"}]},{"defaultStatus":"affected","ecosystem":"https://catalog.redhat.com/software/containers/","packageName":"libssh-main","product":"Red Hat Hardened Images","source":"CNA: redhat","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0.12.2-1.hum1","versionType":"rpm"}]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libssh","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libssh","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[]}],"cpeConfigurations":[{"negate":false,"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*","versionEndExcluding":"0.11.5","versionStartIncluding":"0.11.0","vulnerable":true},{"criteria":"cpe:2.3:a:libssh:libssh:0.12.0:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"},{"negate":false,"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:arm64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:x64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux:10.2:*:*:*:*:*:arm64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux:10.2:*:*:*:*:*:x64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_els:10.2:*:*:*:*:*:arm64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_els:10.2:*:*:*:*:*:x64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_eus:10.2:*:*:*:*:*:arm64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_eus:10.2:*:*:*:*:*:x64:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:10.0:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:10.2:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_els:10.2:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:10.2:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:10.0:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:10.2:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_els:10.2:*:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:10.2:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"cveId":"CVE-2026-15370","cwes":["CWE-121"],"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.","epss":{"date":"2026-11-05","percentile":0.0607,"score":0.00168},"exploits":[],"kev":null,"metrics":[{"score":6.7,"severity":"medium","source":"CNA: redhat","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},{"score":7.3,"severity":"high","source":"NVD: nvd@nist.gov","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},{"score":6.7,"severity":"medium","source":"NVD: secalert@redhat.com","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793899088900,"publishedAt":1784624854608,"references":[{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:47768"},{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:55855"},{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-15370"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499049"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:47768"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:55855"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2026-15370"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Vendor Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499049"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"No workaround available."}],"revision":"d5e2ff8d3c8484714a0b2a8210285778a3916e855a6e84335ddd03ee66b923ee","sources":[{"modifiedAt":1793896949523,"name":"CNA: redhat","retrievedAt":1793898794954,"url":"https://www.cve.org/CVERecord?id=CVE-2026-15370"},{"modifiedAt":1793899088900,"name":"NVD","retrievedAt":1793902838755,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15370"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793898813152,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-15370"}],"ssvc":{"assessedAt":1784742555900,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Libssh: libssh: stack buffer overflow in sftp server longname construction","updatedAt":1793902838755}