CVE-2026-102184: Junos OS and Junos OS Evolved: A malformed EVPN SRv6 route causes an rpd crash

Published Oct 14, 2026
·
Updated

An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos Evolved platforms allows a configured EVPN signaling peer to cause an rpd crash via a malformed SRv6 structure carried in an EVPN route update. The result is a denial of service affecting routing adjacencies.

Affected Software

2 affected components
Juniper Networks Junos OS
Juniper Networks Junos OS Evolved

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 23.4R2-S8.11-EVO
  2. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 24.2R2-S5.6-EVO
  3. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 24.4R2-S5-EVO
  4. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 25.2R2-S2-EVO
  5. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 25.2X100-D35-EVO
  6. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 25.4R1-S3-EVO
  7. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 25.4R2-EVO
  8. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 25.4X300-D40-EVO
  9. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 26.2R1-S2-EVO
  10. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 26.2R2-EVO
  11. Upgrade

    Upgrade Juniper Junos OS Evolved to a version that resolves this vulnerability.

    Fixed in 26.4R1-EVO
  12. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 23.4R2-S8.13
  13. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 24.2R2-S5.5
  14. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 24.4R2-S5
  15. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 25.2R2-S2
  16. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 25.4R1-S3
  17. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 25.4R2
  18. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 26.2R1-S2
  19. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 26.2R2
  20. Upgrade

    Upgrade Juniper Junos OS to a version that resolves this vulnerability.

    Fixed in 26.4R1

Event History

Oct 14, 2026
CVE Published
via MITRE·04:58 PM
Data Sourced
via MITRE·04:58 PM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this vulnerability?

An attacker must be a configured EVPN signaling peer. The issue is triggered by sending an EVPN route update containing a malformed SRv6 structure.

2

What is the operational impact of successful exploitation?

Successful exploitation crashes the routing protocol daemon (rpd), causing a denial of service that affects routing adjacencies.

3

Is authentication or user interaction required?

No privileges or user interaction are required according to the supplied CVSS vector. However, the attacker must be able to act as a configured EVPN signaling peer.

Contact

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