CVE-2026-101945 Junos OS and Junos OS Evolved: An attacker causes routing daemon denial of service when EVPN BGP is enabled
Remote attackers with EVPN BGP peering can cause denial of service in Junos OS routing daemon via integer overflow.
- 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-2026-101945?
CVE-2026-101945 is a high-severity 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
An Integer Overflow or Wraparound vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows a remote attacker with an established EVPN BGP peering relationship to cause a denial of service via EVPN BGP route processing. The issue affects EVPN-enabled routing instances and can disrupt control-plane adjacencies.
Weakness: CWE-190
Which versions are affected by CVE-2026-101945?
How do I fix CVE-2026-101945?
No fix has been published for CVE-2026-101945 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-101945 being exploited?
There is no known exploitation of CVE-2026-101945 in the wild and no public exploit code.
Sources
Also known as GHSA-rprv-3hqm-hw97.