CVE-2026-103994

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS (affected versions not specified)

Description A Heap-based Buffer Overflow occurs in the VXLAN Gateway Daemon (vgd). This issue allows a malicious or compromised SDN-controller to trigger a complete outage of the OVSDB control plane and potentially achieve remote code execution. A Heap-based Buffer Overflow is a memory corruption issue that happens when a program writes more data to a heap-allocated memory block than it can hold.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.