CVE-2026-101963

High

Description

An Incorrect Calculation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos EVO allows a remote BGP EVPN neighbor to cause an rpd crash when SRv6 EVPN multihoming is configured.

SeverityHigh
CVSS7.5
Exploit probability—
ProductJunos OS
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-682CWE-682

How to fix

Update
  • Juniper Networks Junos OS25.2R2-S2, 25.4R1-S3, 26.2R1-S2 or later
  • Juniper Networks Junos OS Evolved25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, 25.4X300-D40-EVO or later

Affected products

ProductAffected versionsFixed in
Juniper Networks Junos OS25.2 ≤ v < 25.2R2-S2, 25.4 ≤ v < 25.4R1-S3, 26.2 ≤ v < 26.2R1-S225.2R2-S2, 25.4R1-S3, 26.2R1-S2
Juniper Networks Junos OS Evolved25.2 ≤ v < 25.2R2-S2-EVO, 25.4 ≤ v < 25.4R1-S3-EVO, 26.2 ≤ v < 26.2R1-S2-EVO, 23.4X100, 25.2X100 ≤ v < 25.2X100-D35-EVO, 25.4X300 ≤ v < 25.4X300-D40-EVO25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, 25.4X300-D40-EVO

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