CVE-2026-102064: Junos OS and Junos OS Evolved: An attacker causes an rpd crash when inter-AS MVPN ingress replication is used

Published Oct 14, 2026
·
Updated

A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to cause rpd crash via malformed BGP MCAST-VPN updates from a configured eBGP peer.

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 23.2R2-S7.7-EVO
  2. Upgrade

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

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

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

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

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

    Fixed in 24.4R2-S5-EVO
  5. Upgrade

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

    Fixed in 25.2R2-S2-EVO
  6. Upgrade

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

    Fixed in 25.2X100-D35-EVO
  7. Upgrade

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

    Fixed in 25.4R1-S3-EVO
  8. Upgrade

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

    Fixed in 25.4R2-EVO
  9. Upgrade

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

    Fixed in 25.4X300-D40-EVO
  10. Upgrade

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

    Fixed in 26.2R1-S2-EVO
  11. Upgrade

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

    Fixed in 26.2R2-EVO
  12. Upgrade

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

    Fixed in 26.4R1-EVO
  13. Upgrade

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

    Fixed in 23.2R2-S7.7
  14. Upgrade

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

    Fixed in 23.4R2-S8.13
  15. Upgrade

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

    Fixed in 24.2R2-S5.5
  16. Upgrade

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

    Fixed in 24.4R2-S5
  17. Upgrade

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

    Fixed in 25.2R2-S2
  18. Upgrade

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

    Fixed in 25.4R1-S3
  19. Upgrade

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

    Fixed in 25.4R2
  20. Upgrade

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

    Fixed in 26.2R1-S2
  21. Upgrade

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

    Fixed in 26.2R2
  22. 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·04:30 PM
Data Sourced
via MITRE·04:30 PM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

Which deployments are exposed to this issue?

Devices running Junos OS or Junos OS Evolved are exposed when inter-AS MVPN ingress replication is used and they accept BGP MCAST-VPN updates from a configured eBGP peer.

2

What does an attacker need to exploit it?

An attacker must be a configured eBGP peer capable of sending malformed BGP MCAST-VPN updates. No additional privileges or user interaction are indicated.

3

What is the impact of successful exploitation?

Successful exploitation can crash the routing protocol daemon (rpd), causing a denial-of-service condition. The provided data does not indicate confidentiality or integrity impact.

Contact

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