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.
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Fixes

Solution

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Workaround

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History

Wed, 05 Aug 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Eclipse
Eclipse eclipse Milo
Vendors & Products Eclipse
Eclipse eclipse Milo

Tue, 04 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Title Memory Exhaustion via Unreleased Partial Message Chunks in Eclipse Milo

Tue, 04 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 04 Aug 2026 12:45:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-401
References
Metrics cvssV4_0

{'score': 8.7, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2026-08-04T15:02:26.923Z

Reserved: 2026-07-16T13:58:02.230Z

Link: CVE-2026-63252

cve-icon Vulnrichment

Updated: 2026-08-04T14:28:20.457Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-04T13:18:55.913

Modified: 2026-08-05T18:51:14.483

Link: CVE-2026-63252

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-05T10:20:07Z

Weaknesses