[ CVE-2026-101968 · Published 14 Oct 2026 ]
Vulnerability in Juniper Networks Junos OS
[ Description ]Official description
An Integer Underflow (Wrap or Wraparound) vulnerability in the rpd process of Juniper Networks Junos OS on EX Series and MX Series, and Junos OS Evolved on ACX Series allows an unauthenticated adjacent attacker to cause heap memory disclosure and multicast join-state injection via a malformed Rosen-MVPN message. This issue only affects platforms that support draft Rosen MVPN, such as the ACX Series, EX Series, and MX Series.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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CERT-FRCERTFR-2026-AVI-1322
Multiple vulnerabilities in Juniper Networks products Translated from French
Multiple vulnerabilities have been discovered in Juniper Networks products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.