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OpenAdvisories
Medium · 5.3 CVE-2026-103391 EUVD-2026-112226GHSA-mg4c-h4g5-47fv

Session Smart Router: An attacker-controlled TCP option causes an out-of-bounds write when using the TCP proxy feature

Published Oct 28, 2026 · Updated Nov 6, 2026 · Assigned by juniper

Description

An Out-of-bounds Write vulnerability in the SSR TCP proxy/optimization path in Juniper Networks Session Smart Router allows an attacker to corrupt forwarded packet data and potentially cause a data-plane crash via a transit TCP packet with a crafted TCP option length.

Affected products

VendorProductAffectedFixed
Juniper Networks Session Smart Router < 7.0.5, 7.1.0 – < 7.1.7, 7.2.0 – < 7.2.3 7.0.5

Advisories 2

References