CVE-2026-63252

HighCVSS 7.5/10Last modified Oct 23, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-401

Affected software

Vendor	Product	Versions
Eclipse Foundation	Eclipse Milo	>= 0.6.0, <= 1.1.4

References

https://github.com/eclipse-milo/milo/commit/459715793ec54b0f33367a14f94264500a0d872bPatch
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/179Issue Tracking, Patch, Vendor Advisory
https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598Issue Tracking, Vendor Advisory

Timeline

Published: Aug 4, 2026
Last modified: Oct 23, 2026
NVD status: Analyzed

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