CVE-2026-105390

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105390", "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "state": "PUBLISHED", "assignerShortName": "OpenVPN", "dateReserved": "2026-10-05T10:34:02.496Z", "datePublished": "2026-10-13T22:44:38.433Z", "dateUpdated": "2026-10-14T18:08:12.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "shortName": "OpenVPN", "dateUpdated": "2026-10-13T22:44:38.433Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-413", "description": "CWE-413 Improper resource locking", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-833", "description": "CWE-833 Deadlock", "type": "CWE"}]}], "affected": [{"vendor": "OpenVPN", "product": "ovpn-dco-win", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0.6.5", "lessThanOrEqual": "1.3.5", "versionType": "semver"}, {"status": "affected", "version": "2.4.0", "lessThanOrEqual": "2.8.7", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and 2.4.0 through 2.8.7 allows local attackers to trigger a deadlock via a crafted write to the ovpn-dco device, causing the host to become unresponsive."}], "references": [{"tags": ["vendor-advisory"], "url": "https://community.openvpn.net/Security%20Announcements/CVE-2026-105390"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "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": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-14T18:07:58.275427Z", "id": "CVE-2026-105390", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-10-14T18:08:12.000Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-105390", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-14T18:07:58.275427Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T18:08:06.387Z"}}], "cna": {"metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "OpenVPN", "product": "ovpn-dco-win", "versions": [{"status": "affected", "version": "0.6.5", "versionType": "semver", "lessThanOrEqual": "1.3.5"}, {"status": "affected", "version": "2.4.0", "versionType": "semver", "lessThanOrEqual": "2.8.7"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}], "references": [{"url": "https://community.openvpn.net/Security%20Announcements/CVE-2026-105390", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and 2.4.0 through 2.8.7 allows local attackers to trigger a deadlock via a crafted write to the ovpn-dco device, causing the host to become unresponsive."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-413", "description": "CWE-413 Improper resource locking"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-833", "description": "CWE-833 Deadlock"}]}], "providerMetadata": {"orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "shortName": "OpenVPN", "dateUpdated": "2026-10-13T22:44:38.433Z"}}}, "cveMetadata": {"cveId": "CVE-2026-105390", "state": "PUBLISHED", "dateUpdated": "2026-10-14T18:08:12.000Z", "dateReserved": "2026-10-05T10:34:02.496Z", "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "datePublished": "2026-10-13T22:44:38.433Z", "assignerShortName": "OpenVPN"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "ovpn-dco-win", "vendor": "OpenVPN", "versions": [{"lessThanOrEqual": "1.3.5", "status": "affected", "version": "0.6.5", "versionType": "semver"}, {"lessThanOrEqual": "2.8.7", "status": "affected", "version": "2.4.0", "versionType": "semver"}]}], "source": "security@openvpn.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and 2.4.0 through 2.8.7 allows local attackers to trigger a deadlock via a crafted write to the ovpn-dco device, causing the host to become unresponsive."}], "id": "CVE-2026-105390", "lastModified": "2026-10-15T20:38:04.303", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@openvpn.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-105390", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-14T18:07:58.275427Z", "version": "2.0.3"}}]}, "published": "2026-10-13T23:17:26.470", "references": [{"source": "security@openvpn.net", "url": "https://community.openvpn.net/Security%20Announcements/CVE-2026-105390"}], "sourceIdentifier": "security@openvpn.net", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-413"}, {"lang": "en", "value": "CWE-833"}], "source": "security@openvpn.net", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0.6.5,1.3.5]"}}, {"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[2.4.0,2.8.7]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ovpn-dco-win", "source": "cna", "vendor": "OpenVPN"}, "product": "ovpn-dco-win", "vendor": "openvpn"}], "created": "2026-10-14T17:30:04.780122+00:00", "title": "Local Deadlock in OpenVPN Windows Driver Leads to Denial of Service", "updated": "2026-10-23T21:00:08.305511+00:00", "vendors": ["openvpn", "openvpn$PRODUCT$ovpn-dco-win"]}