CVE-2026-102064 Junos OS and Junos OS Evolved: An attacker causes an rpd crash when inter-AS MVPN ingress replication is used
An attacker can crash the routing daemon via malformed BGP updates when inter-AS MVPN ingress replication is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102064?
CVE-2026-102064 is a high-severity denial of service vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-617
Which versions are affected by CVE-2026-102064?
How do I fix CVE-2026-102064?
No fix has been published for CVE-2026-102064 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-102064 being exploited?
There is no known exploitation of CVE-2026-102064 in the wild and no public exploit code.
Sources
Also known as GHSA-cj5j-6hm4-66px.