{"id":"CVE-2026-17535","state":"PUBLISHED","title":"Velociraptor Multiple Crashes in NTFS Parser when applied to invalid NTFS Volumes","description":"Velociraptor's NTFS parsing library mishandles several out of bound and memory exhaustion bugs which may be triggered by maliciously crafted NTFS images.\n\nTypically Velociraptor's NTFS parser is used on live NTFS filesystems, limiting the opportunity of attackers corrupting the filesystem. However, in some applications (e.g.  dead disk forensics https://docs.velociraptor.app/docs/forensic/deaddisk/ ) Velociraptor may be used on untrusted NTFS image files. \n\nIf an attacker is able to inject maliciously corrupted NTFS Volumes they can cause a crash and a Denial of Service.","publishedAt":"2026-08-11T14:47:13.859Z","updatedAt":"2026-08-11T19:43:42.930Z","severity":{"score":6.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"rapid7"},"assigner":"rapid7","products":["Rapid7 Velociraptor"],"affected":[{"vendor":"Rapid7","product":"Velociraptor","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.77.2","versionType":"semver"}],"repo":"https://github.com/Velocidex/velociraptor/"}],"references":["http://docs.velociraptor.app/announcements/advisories/cve-2026-17535/"],"weaknesses":["CWE-125","CWE-789","CWE-369"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/17xxx/CVE-2026-17535.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-17535","state":"PUBLISHED","datePublished":"2026-08-11T14:47:13.859Z","dateUpdated":"2026-08-11T19:43:42.930Z","assignerShortName":"rapid7","assignerOrgId":"9974b330-7714-4307-a722-5648477acda7","dateReserved":"2026-07-27T09:21:41.141Z"},"containers":{"cna":{"title":"Velociraptor Multiple Crashes in NTFS Parser when applied to invalid NTFS Volumes","descriptions":[{"lang":"en","value":"Velociraptor's NTFS parsing library mishandles several out of bound and memory exhaustion bugs which may be triggered by maliciously crafted NTFS images.\n\nTypically Velociraptor's NTFS parser is used on live NTFS filesystems, limiting the opportunity of attackers corrupting the filesystem. However, in some applications (e.g.  dead disk forensics https://docs.velociraptor.app/docs/forensic/deaddisk/ ) Velociraptor may be used on untrusted NTFS image files. \n\nIf an attacker is able to inject maliciously corrupted NTFS Volumes they can cause a crash and a Denial of Service."}],"affected":[{"vendor":"Rapid7","product":"Velociraptor","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.77.2","versionType":"semver"}],"repo":"https://github.com/Velocidex/velociraptor/"}],"references":[{"url":"http://docs.velociraptor.app/announcements/advisories/cve-2026-17535/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"MEDIUM","baseScore":6.2,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125 Out-of-bounds read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-789","lang":"en","description":"CWE-789 Memory allocation with excessive size value","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-369","lang":"en","description":"CWE-369 Divide by zero","type":"CWE"}]}],"providerMetadata":{"shortName":"rapid7","orgId":"9974b330-7714-4307-a722-5648477acda7","dateUpdated":"2026-08-11T14:47:13.859Z"},"impacts":[{"capecId":"CAPEC-540","descriptions":[{"lang":"en","value":"CAPEC-540 Overread Buffers"}]},{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"configurations":[{"lang":"en","value":"This vulnerability is exploitable when ingesting untrusted NTFS volumes and using Velociraptor to parse these in dead disk mode.","supportingMedia":[{"type":"text/html","base64":false,"value":"This vulnerability is exploitable when ingesting untrusted NTFS volumes and using Velociraptor to parse these in dead disk mode."}]}],"workarounds":[{"lang":"en","value":"The vulnerability results in a crash or memory exhaustion.","supportingMedia":[{"type":"text/html","base64":false,"value":"The vulnerability results in a crash or memory exhaustion. "}]}],"credits":[{"lang":"en","value":"Kris Kennaway (Datadog)","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T19:28:19.365550Z","id":"CVE-2026-17535","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T19:43:42.930Z"}}]}}}