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Medium · 6.5 CVE-2026-101985 EUVD-2026-101426GHSA-rrw4-c99g-5p92

Junos OS Evolved: PTX Series: An IS-IS peer causes an rpd crash when BIER over IS-IS is enabled

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

Description

A Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated IS-IS peer to cause a denial of service.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS Evolved 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 23.4R2-S8.11-EVO

References