CVE-2026-102068: Juniper Networks Junos OS Evolved

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A Stack-based Buffer Overflow vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated remote attacker to trigger a kernel panic via a crafted TCP packet when key-chain authentication is used for BGP or LDP.

Affected products

• Juniper Networks Junos OS Evolved: before 23.2R2-S7.7-EVO (fixed in 23.2R2-S7.7-EVO); from 23.4, before 23.4R2-S8.11-EVO (fixed in 23.4R2-S8.11-EVO); from 24.2, before 24.2R2-S5.6-EVO (fixed in 24.2R2-S5.6-EVO); from 24.4, before 24.4R2-S5-EVO (fixed in 24.4R2-S5-EVO); from 25.2, before 25.2R2-S2-EVO (fixed in 25.2R2-S2-EVO); from 25.4, before 25.4R1-S3-EVO (fixed in 25.4R1-S3-EVO); …

Published 2026-10-14. Last modified 2026-10-15.