{"id":"CVE-2026-103993","aliases":["EUVD-2026-101453","GHSA-3vcp-3vfh-hjrh"],"status":"published","title":"Junos OS and Junos OS Evolved: If a specific set of BGP communities is present and graceful-shutdown sender is added while attempting to advertise rpd crashes","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.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/RE:M","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00243,"percentile":0.15614,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-10-14T16:23:40Z","modified":"2026-10-15T16:24:19Z","products":[{"vendor":"juniper networks","product":"junos os"},{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://supportportal.juniper.net/JSA112187","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103993"},{"url":"https://github.com/advisories/GHSA-3vcp-3vfh-hjrh"}],"sources":{"cve":[{"id":"CVE-2026-103993","title":"Junos OS and Junos OS Evolved: If a specific set of BGP communities is present and graceful-shutdown sender is added while attempting to advertise rpd crashes","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.","status":"published","published":"2026-10-14T16:23:40.799Z","modified":"2026-10-14T20:26:06.44Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/RE:M","level":"medium","assessor":"cna"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-101453","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.","status":"published","published":"2026-10-14T16:23:40Z","modified":"2026-10-14T20:26:06Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/RE:M","level":"medium"}],"updated_at":"2026-11-02T17:27:12.294621Z"}],"ghsa":[{"id":"GHSA-3vcp-3vfh-hjrh","title":"An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks...","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.","status":"published","published":"2026-10-14T18:32:26Z","modified":"2026-10-14T18:32:34Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:X","level":"medium"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:13:28.02433Z"}],"nvd":[{"id":"CVE-2026-103993","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.","status":"published","published":"2026-10-14T17:18:13.44Z","modified":"2026-10-15T16:24:19.073Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:59.328869Z"}]}}