{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-63252", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2026-07-16T13:58:02.230Z", "datePublished": "2026-08-04T12:03:18.647Z", "dateUpdated": "2026-08-04T15:02:26.923Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-08-04T12:03:18.647Z" }, "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-401", "description": "CWE-401", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-131", "descriptions": [ { "lang": "en", "value": "CAPEC-131" } ] } ], "affected": [ { "vendor": "Eclipse Foundation", "product": "Eclipse Milo", "versions": [ { "status": "affected", "version": "0.6.0", "lessThanOrEqual": "1.1.4", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "In Eclipse Milo versions 0.6.0 through 1.1.4, UASC server transport handlers fail to release retained partial message chunks when a channel disconnects, allowing a remote unauthenticated client to exhaust pooled direct memory by repeatedly sending incomplete chunks and disconnecting, potentially terminating the server.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

In Eclipse Milo versions 0.6.0 through 1.1.4, UASC server transport handlers fail to release retained partial message chunks when a channel disconnects, allowing a remote unauthenticated client to exhaust pooled direct memory by repeatedly sending incomplete chunks and disconnecting, potentially terminating the server.

" } ] } ], "references": [ { "url": "https://github.com/eclipse-milo/milo/commit/459715793ec54b0f33367a14f94264500a0d872b" }, { "url": "https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598" }, { "url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/179" } ], "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" } } ], "credits": [ { "lang": "en", "value": "Abhinav Agarwal (GitHub: @abhinavagarwal07)", "type": "finder" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.4" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-04T14:28:19.255881Z", "id": "CVE-2026-63252", "options": [ { "Exploitation": "none" }, { "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": "2026-08-04T15:02:26.923Z" } } ] } }