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High · 7.5 CVE-2026-102024 EUVD-2026-101349GHSA-5x3h-q26c-2282

Junos OS and Junos OS Evolved: An attacker causes a routing daemon crash when BGP extended-nexthop-tunnel is used

Published Oct 14, 2026 · Updated Oct 16, 2026 · Assigned by juniper

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

Description

An Integer Overflow or Wraparound vulnerability in the routing daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated BGP peer to cause a denial of service via BGP route updates when extended-nexthop-tunnel is enabled.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS < 23.2R2-S7.7, 23.4 – < 23.4R2-S8.13, 24.2 – < 24.2R2-S5.5, 24.4 – < 24.4R2-S5, 25.2 – < 25.2R2-S2, 25.4 – < 25.4R1-S3, 26.2 – < 26.2R1-S2 23.2R2-S7.7
Juniper Networks Junos OS Evolved < 23.2R2-S7.7-EVO, 23.4 – < 23.4R2-S8.11-EVO, 24.2 – < 24.2R2-S5.6-EVO, 24.4 – < 24.4R2-S5-EVO, 25.2 – < 25.2R2-S2-EVO, 25.4 – < 25.4R1-S3-EVO, 26.2 – < 26.2R1-S2-EVO, 23.4X100, 25.2X100 – < 25.2X100-D35-EVO, 25.4X300 – < 25.4X300-D40-EVO 23.2R2-S7.7-EVO

References