github.com
https://github.com/eclipse-milo/milo/commit/459715793ec54b0f33367a14f94264500a0d872b CVE-2026-63252
HIGH
Eclipse Milo UASC Server Missing Message Chunk Release Denial of Service
Record summary
CVE-2026-63252 has a selected CVSS score of 8.7 (high).
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.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 4, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
Eclipse MiloBrowse Eclipse Foundation / Eclipse MiloDefault status: unaffected | CVE List | 0.6.0 to ≤ 1.1.4 | affected |
References
4gitlab.eclipse.org
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/179 gitlab.eclipse.org
https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598 nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-63252