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Medium · 6.5 CVE-2026-102021 EUVD-2026-101346GHSA-w7mj-v6m2-38qq

Junos OS and Junos OS Evolved: Malformed RSVP packet causes rpd crash when MPLS-TE error processing is enabled

Published Oct 14, 2026 · Updated Oct 14, 2026 · Assigned by juniper

Vendor: Juniper Networks Product: Junos OS Product: Junos OS Evolved Category: Network devices

Description

A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent network attacker to cause a denial of service via a crafted RSVP packet when MPLS-TE RSVP processing is enabled. The condition can terminate rpd and disrupt routing protocol sessions.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS 24.4 – < 24.4R2-S5, 25.2 – < 25.2R2-S2, 25.4 – < 25.4R1-S3, 26.2 – < 26.2R1-S2 24.4R2-S5
Juniper Networks Junos OS Evolved 24.4 – < 24.4R2-S5-EVO, 25.2 – < 25.2R2-S2-EVO, 25.4 – < 25.4R1-S3-EVO, 26.2 – < 26.2R1-S2-EVO, 25.2X100 – < 25.2X100-D35-EVO, 25.4X300 – < 25.4X300-D40-EVO 24.4R2-S5-EVO

References