CVE-2026-101944 Junos OS and Junos OS Evolved: An attacker causes a routing protocol daemon denial of service when EVPN is used
An attacker can cause a denial of service in the routing protocol daemon via crafted EVPN BGP updates, affecting Juniper network devices.
- 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-2026-101944?
CVE-2026-101944 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 routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to cause a denial of service via specially crafted EVPN route updates from an accepted EVPN BGP peer.
Weakness: CWE-190
Which versions are affected by CVE-2026-101944?
How do I fix CVE-2026-101944?
No fix has been published for CVE-2026-101944 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-101944 being exploited?
There is no known exploitation of CVE-2026-101944 in the wild and no public exploit code.
Sources
Also known as GHSA-xw5m-5f23-vv93.