---
cve: "CVE-2026-63252"
severity: "HIGH"
cvss: 8.7
epss: "41%"
vendor: "Eclipse Foundation"
kev: false
exploited: false
published: "2026-08-04 13:18:55"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T17:44:02+02:00"
---

# CVE-2026-63252

> 8.7 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 8e84cd7d0d8e6eb787f89c5c1319b885d666fe4b (Commit)
- 459715793ec54b0f33367a14f94264500a0d872b (Commit)

## Referenzen

- <https://github.com/eclipse-milo/milo/commit/459715793ec54b0f33367a14f94264500a0d872b>
- <https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598>
- <https://gitlab.eclipse.org/security/cve-assignment/-/work_items/179>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-63252) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_