An Out-of-Bounds Read vulnerability in the VRRP implementation in Juniper Networks Session Smart Router allows an L2-adjacent attacker to read stale memory contents or cause a system fault via a specially crafted VRRPv3 advertisement.
History

Wed, 28 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Juniper
Juniper session Smart Router
Vendors & Products Juniper
Juniper session Smart Router

Wed, 28 Oct 2026 16:45:00 +0000

Type Values Removed Values Added
Description An Out-of-Bounds Read vulnerability in the VRRP implementation in Juniper Networks Session Smart Router allows an L2-adjacent attacker to read stale memory contents or cause a system fault via a specially crafted VRRPv3 advertisement.
Title Session Smart Router: An attacker can cause an out-of-bounds read during VRRP packet processing
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-10-28T16:34:00.167Z

Updated: 2026-10-28T16:34:00.167Z

Reserved: 2026-09-30T14:27:56.628Z

Link: CVE-2026-103393

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-28T17:17:22.793

Modified: 2026-10-28T17:17:23.130

Link: CVE-2026-103393

cve-icon Redhat

No data.