{"id":"CVE-2026-14316","state":"PUBLISHED","title":"Heap buffer overflow in boks_sshd revoked-key error handling","description":"The revoked-key error path builds a human-readable failure reason using sprintf() into a heap buffer. The allocated buffer is too small for the final formatted message. When sprintf() writes the full message, it can write past the end of the heap allocation.","publishedAt":"2026-10-01T16:16:36.508Z","updatedAt":"2026-10-01T16:32:54.604Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","source":"Fortra"},"assigner":"Fortra","products":["Fortra Core Privileged Access Manager (BoKS)"],"affected":[{"vendor":"Fortra","product":"Core Privileged Access Manager (BoKS)","defaultStatus":"unknown","versions":[{"version":"8.1.0.0","status":"affected","lessThan":"8.1.0.30","versionType":"custom"},{"version":"10.1.0.0","status":"affected","lessThan":"10.1.1.0","versionType":"custom"}]}],"references":["https://www.fortra.com/security/advisories/product-security/fi-2026-019"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/14xxx/CVE-2026-14316.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14316","state":"PUBLISHED","datePublished":"2026-10-01T16:16:36.508Z","dateUpdated":"2026-10-01T16:32:54.604Z","assignerShortName":"Fortra","assignerOrgId":"df4dee71-de3a-4139-9588-11b62fe6c0ff","dateReserved":"2026-07-01T11:40:47.817Z"},"containers":{"cna":{"title":"Heap buffer overflow in boks_sshd revoked-key error handling","descriptions":[{"lang":"en","value":"The revoked-key error path builds a human-readable failure reason using sprintf() into a heap buffer. The allocated buffer is too small for the final formatted message. When sprintf() writes the full message, it can write past the end of the heap allocation."}],"affected":[{"vendor":"Fortra","product":"Core Privileged Access Manager (BoKS)","defaultStatus":"unknown","versions":[{"version":"8.1.0.0","status":"affected","lessThan":"8.1.0.30","versionType":"custom"},{"version":"10.1.0.0","status":"affected","lessThan":"10.1.1.0","versionType":"custom"}]}],"references":[{"url":"https://www.fortra.com/security/advisories/product-security/fi-2026-019"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":8.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122 Heap-based buffer overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"Fortra","orgId":"df4dee71-de3a-4139-9588-11b62fe6c0ff","dateUpdated":"2026-10-01T16:16:36.508Z"},"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"configurations":[{"lang":"en","value":"This is reachable when RevokedKeys is configured and public-key authentication checks a revoked key or encounters an error while checking the revoked-keys file.\n\n\nRevokedKeys must be configured, and the attacker must be able to initiate SSH public-key authentication with a key that is revoked or otherwise triggers an error in revoked-key checking.","supportingMedia":[{"type":"text/html","base64":false,"value":"This is reachable when RevokedKeys is configured and public-key authentication checks a revoked key or encounters an error while checking the revoked-keys file.<div><br></div><div><span>RevokedKeys must be configured, and the attacker must be able to initiate SSH public-key authentication with a key that is revoked or otherwise triggers an error in revoked-key checking.</span>&nbsp;</div>"}]}],"solutions":[{"lang":"en","value":"Upgrade to a patched version.","supportingMedia":[{"type":"text/html","base64":false,"value":"Upgrade to a patched version."}]}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T16:32:47.169777Z","id":"CVE-2026-14316","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T16:32:54.604Z"}}]}}}