{"id":"CVE-2026-103993","title":"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 r…","summary":"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 r…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","cwe":["CWE-787"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:17:34.150","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103993","references":[{"url":"https://supportportal.juniper.net/JSA112187","label":"sirt@juniper.net"}],"tags":["nvd"],"ingestedAt":"2026-10-14T17:44:53.672Z","slug":"CVE-2026-103993","body":"## Overview\n\nAn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}