CVE-2026-101944 Juniper Networks Junos OS - Denial of Service

Juniper Networks Junos OS and Junos OS Evolved contain an integer overflow caused by specially crafted EVPN route updates in the routing protocol daemon (rpd), letting attackers cause denial of service via accepted EVPN BGP peers.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-190

Vendor fix

Update to the latest available version of Junos OS and Junos OS Evolved.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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