CVE-2026-103993

MEDIUMCVSS 6.8

Description

An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker which sends a specific set of BGP communities to cause a Denial-of-Service (DoS) as rpd crashes when graceful-shutdown sender community is added when attempting to advertise.

Timeline

Published:October 14th, 2026 5:18 PM

Last modified:October 15th, 2026 4:24 PM

CVSS Scoring

CVSS v3: 6.8 (MEDIUM)

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weaknesses (CWE)

CWE-787

References & Reports

Advisories, patches, and third-party reports

https://supportportal.juniper.net/JSA112187

Source: NIST NVD · Data may lag official sources by up to one minute