Vulnerability record

CVE-2026-63252

Severity: HighExploitation: No known exploitation

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdate

    CVE-2026-63252 scored CVSS 8.7

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdate

    Patch released for CVE-2026-63252

    An official fix is now available.

    Basis: NVD patch reference

Coverage

References

  • github.com https://github.com/eclipse-milo/milo/commit/459715793ec54b0f33367a14f94264500a0d872b
  • gitlab.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