CVE-2026-102179
7.5HighPublished 14 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Impact
- High impact on availability
- Weakness
- CWE-787
Impact
A peer with access to a configured BGP EVPN session can crash the routing protocol daemon (rpd), causing a denial of service and disrupting network routing. Exploitation requires an established BGP EVPN peer and an active telemetry subscription to the l2vpn-evpn RIB sensor.
Root cause
An out-of-bounds write occurs in rpd while processing BGP EVPN routes when the l2vpn-evpn RIB telemetry sensor is active.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Fix & remediation
Check advisory JSA112187 for the fixed Junos OS / Junos OS Evolved releases to upgrade to. As an interim workaround, cancel or disable active telemetry subscriptions for the l2vpn-evpn RIB sensor.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker with access to a configured BGP EVPN peer to cause a denial of service via BGP EVPN route processing when the l2vpn-evpn RIB telemetry sensor is subscribed. Successful exploitation can crash rpd and interrupt routing protocols until the daemon restarts and reconverges.