{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-97362", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-24T13:33:30.061Z", "datePublished": "2026-09-24T14:49:15.296Z", "dateUpdated": "2026-09-24T15:47:35.811Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-24T14:49:15.296Z" }, "title": "HFS2 2.4.0 Unauthenticated Denial of Service via Hung Serving Thread", "descriptions": [ { "lang": "en", "value": "HFS2 version 2.4.0 and earlier contains a denial of service vulnerability that allows unauthenticated attackers to cause a complete and persistent loss of availability by sending a single crafted request. Attackers can trigger a hung serving thread that enters a busy loop, rendering the entire file server unresponsive to all clients without self-recovery until an operator manually restarts the service." } ], "tags": [ "x_open-source", "unsupported-when-assigned" ], "datePublic": "2026-09-24T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-835", "description": "Loop with Unreachable Exit Condition ('Infinite Loop')", "type": "CWE" } ] } ], "affected": [ { "defaultStatus": "unaffected", "vendor": "rejetto", "product": "hfs2", "versions": [ { "status": "affected", "version": "2.0.0", "versionType": "semver", "lessThanOrEqual": "2.4.0" } ], "repo": "https://github.com/rejetto/hfs2", "packageURL": "pkg:github/rejetto/hfs2" } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:rejetto:hfs2:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.0.0", "versionEndIncluding": "2.4.0" } ] } ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } } ], "references": [ { "url": "https://github.com/wgetnz/hfs2/blob/master/advisories/hfs2-getini-infinite-loop-dos/README.md", "tags": [ "technical-description", "exploit" ] }, { "url": "https://www.vulncheck.com/advisories/hfs2-unauthenticated-denial-of-service-via-hung-serving-thread", "name": "VulnCheck Advisory", "tags": [ "third-party-advisory" ] } ], "credits": [ { "lang": "en", "value": "wgetnz", "type": "finder" }, { "lang": "en", "value": "VulnCheck", "type": "coordinator" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "vulncheck" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-24T15:32:26.283903Z", "id": "CVE-2026-97362", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T15:47:35.811Z" } } ] } }