Security
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CVE-2026-103994

HIGHCVSS 8.8
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Description

A Heap-based Buffer Overflow vulnerability in the VXLAN Gateway Daemon (vgd) of Juniper Networks Junos OS allows a malicious or compromised SDN-controller to cause a complete outage of the OVSDB control plane and possibly remote code execution.

Timeline
Published:October 14th, 2026 5:18 PM
Last modified:October 15th, 2026 4:24 PM
CVSS Scoring

CVSS v3: 8.8 (HIGH)

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

Weaknesses (CWE)
CWE-122
References & Reports
Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute