CVE-2026-102067 Junos OS and Junos OS Evolved: A specific RSVP packet causes an rpd crash when L2 LSP support is used
An adjacent attacker can crash the routing daemon via a crafted RSVP packet when L2 LSP support is enabled, requiring a patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102067?
CVE-2026-102067 is a high-severity denial of service vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a denial of service via a crafted RSVP packet when L2 LSP support is enabled.
Weakness: CWE-1284
Which versions are affected by CVE-2026-102067?
How do I fix CVE-2026-102067?
No fix has been published for CVE-2026-102067 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-2026-102067 being exploited?
There is no known exploitation of CVE-2026-102067 in the wild and no public exploit code.
Sources
Also known as GHSA-6m6v-jqmr-9m8c.