CVE-2026-103391

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...

CVE-2026-103391 Session Smart Router: An attacker-controlled TCP option causes an out-of-bounds write when using the TCP proxy feature

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...

CVE-2026-103391

A vulnerability exists in the SSR TCP proxy/optimization path of the Juniper Networks Session Smart Router . An attacker can trigger an Out-of-bounds Write (CWE-787) by sending a transit TCP packet with a crafted TCP option length . This flaw allows for the corruption of forwarded packet data and...

EUVD-2026-112226

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...

CVE-2026-103391: Juniper Networks Session Smart Router: An Out-of-bounds Write vulnerability in the SSR TCP proxy/optimization path in Juniper Networks Session Smart Router…

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...

Juniper Networks Session Smart Router buffer error vulnerability

Versions prior to Juniper Networks Session Smart Router 7.0.5, versions 7.1.x prior to 7.1.7, and versions 7.2.x prior to 7.2.3 contain a buffer error vulnerability. This vulnerability stems from an out-of-bounds write in the SSR TCP proxy/optimization path. Attackers can exploit this by sending...

PT-2026-128272

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...