{"id":"CVE-2024-39516","aliases":["EUVD-2024-38042","GHSA-qr97-x53q-9m8f"],"status":"published","title":"Junos OS and Junos OS Evolved: With certain BGP options enabled, receipt of specifically malformed BGP update causes RPD crash","description":"An Out-of-Bounds Read vulnerability in\n\nthe routing protocol daemon (rpd) of \n\n Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\n\nThis issue only affects systems configured in\n      either of two ways:\n\n    \n    \n        *  systems with BGP traceoptions enabled\n\n        *  systems with BGP traffic engineering\n          configured\n\n    \n\n\nThis issue can affect iBGP and eBGP with \n\nany address family\n\n configured. The specific attribute involved is non-transitive, and will not propagate across a network.\n\nThis issue affects:\n\nJunos OS: \n\n\n\n  *  All versions before 21.4R3-S8,\n  *  22.2 before 22.2R3-S5, \n  *  22.3 before 22.3R3-S4, \n  *  22.4 before 22.4R3-S3, \n  *  23.2 before 23.2R2-S2, \n  *  23.4 before 23.4R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S8-EVO, \n  *  22.2-EVO before 22.2R3-S5-EVO, \n  *  22.3-EVO before 22.3R3-S4-EVO, \n  *  22.4-EVO before 22.4R3-S3-EVO, \n  *  23.2-EVO before 23.2R2-S2-EVO, \n  *  23.4-EVO before 23.4R2-EVO.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00431,"percentile":0.377,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2024-10-09T20:00:59Z","modified":"2026-06-17T07:42:05Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper","product":"junos_os_evolved"},{"vendor":"juniper networks","product":"junos os"},{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://supportportal.juniper.net/JSA88100","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/statement/traceoptions-edit-protocols-bgp.html","tags":["product","Technical Description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39516"},{"url":"https://github.com/advisories/GHSA-qr97-x53q-9m8f"}],"sources":{"cve":[{"id":"CVE-2024-39516","title":"Junos OS and Junos OS Evolved: With certain BGP options enabled, receipt of specifically malformed BGP update causes RPD crash","description":"An Out-of-Bounds Read vulnerability in\n\nthe routing protocol daemon (rpd) of \n\n Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\n\nThis issue only affects systems configured in\n      either of two ways:\n\n    \n    \n        *  systems with BGP traceoptions enabled\n\n        *  systems with BGP traffic engineering\n          configured\n\n    \n\n\nThis issue can affect iBGP and eBGP with \n\nany address family\n\n configured. The specific attribute involved is non-transitive, and will not propagate across a network.\n\nThis issue affects:\n\nJunos OS: \n\n\n\n  *  All versions before 21.4R3-S8,\n  *  22.2 before 22.2R3-S5, \n  *  22.3 before 22.3R3-S4, \n  *  22.4 before 22.4R3-S3, \n  *  23.2 before 23.2R2-S2, \n  *  23.4 before 23.4R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S8-EVO, \n  *  22.2-EVO before 22.2R3-S5-EVO, \n  *  22.3-EVO before 22.3R3-S4-EVO, \n  *  22.4-EVO before 22.4R3-S3-EVO, \n  *  23.2-EVO before 23.2R2-S2-EVO, \n  *  23.4-EVO before 23.4R2-EVO.","status":"published","published":"2024-10-09T20:00:59.383Z","modified":"2024-10-16T21:11:11.721Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:34:18.951288Z"}],"euvd":[{"id":"EUVD-2024-38042","description":"An Out-of-Bounds Read vulnerability in\n\nthe routing protocol daemon (rpd) of \n\n Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\n\nThis issue only affects systems configured in\n      either of two ways:\n\n    \n    \n        *  systems with BGP traceoptions enabled\n\n        *  systems with BGP traffic engineering\n          configured\n\n    \n\n\nThis issue can affect iBGP and eBGP with \n\nany address family\n\n configured. The specific attribute involved is non-transitive, and will not propagate across a network.\n\nThis issue affects:\n\nJunos OS: \n\n\n\n  *  All versions before 21.4R3-S8,\n  *  22.2 before 22.2R3-S5, \n  *  22.3 before 22.3R3-S4, \n  *  22.4 before 22.4R3-S3, \n  *  23.2 before 23.2R2-S2, \n  *  23.4 before 23.4R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S8-EVO, \n  *  22.2-EVO before 22.2R3-S5-EVO, \n  *  22.3-EVO before 22.3R3-S4-EVO, \n  *  22.4-EVO before 22.4R3-S3-EVO, \n  *  23.2-EVO before 23.2R2-S2-EVO, \n  *  23.4-EVO before 23.4R2-EVO.","status":"published","published":"2024-10-09T20:00:59Z","modified":"2024-10-16T21:11:11Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high"}],"updated_at":"2026-11-03T00:27:34.865484Z"}],"ghsa":[{"id":"GHSA-qr97-x53q-9m8f","title":"An Out-of-Bounds Read vulnerability in\n\nthe routing protocol daemon (rpd) of \n\n Juniper Networks...","description":"An Out-of-Bounds Read vulnerability in\n\nthe routing protocol daemon (rpd) of \n\n Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\n\n\nThis issue only affects systems with BGP traceoptions enabled.  Systems without BGP traceoptions enabled are not affected by this issue.\n\n\n\n\n\nThis issue affects iBGP and eBGP with \n\nany address family\n\n configured.\n\nThis issue affects:\n\nJunos OS: \n\n\n\n  *  All versions before 21.4R3-S8,\n  *  22.2 before 22.2R3-S5, \n  *  22.3 before 22.3R3-S4, \n  *  22.4 before 22.4R3-S3, \n  *  23.2 before 23.2R2-S2, \n  *  23.4 before 23.4R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S8-EVO, \n  *  22.2-EVO before 22.2R3-S5-EVO, \n  *  22.3-EVO before 22.3R3-S4-EVO, \n  *  22.4-EVO before 22.4R3-S3-EVO, \n  *  23.2-EVO before 23.2R2-S2-EVO, \n  *  23.4-EVO before 23.4R2-EVO.","status":"published","published":"2024-10-09T21:31:08Z","modified":"2024-10-17T00:33:42Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:58:31.969274Z"}],"nvd":[{"id":"CVE-2024-39516","description":"An Out-of-Bounds Read vulnerability in\n\nthe routing protocol daemon (rpd) of \n\n Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\n\nThis issue only affects systems configured in\n      either of two ways:\n\n    \n    \n        *  systems with BGP traceoptions enabled\n\n        *  systems with BGP traffic engineering\n          configured\n\n    \n\n\nThis issue can affect iBGP and eBGP with \n\nany address family\n\n configured. The specific attribute involved is non-transitive, and will not propagate across a network.\n\nThis issue affects:\n\nJunos OS: \n\n\n\n  *  All versions before 21.4R3-S8,\n  *  22.2 before 22.2R3-S5, \n  *  22.3 before 22.3R3-S4, \n  *  22.4 before 22.4R3-S3, \n  *  23.2 before 23.2R2-S2, \n  *  23.4 before 23.4R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S8-EVO, \n  *  22.2-EVO before 22.2R3-S5-EVO, \n  *  22.3-EVO before 22.3R3-S4-EVO, \n  *  22.4-EVO before 22.4R3-S3-EVO, \n  *  23.2-EVO before 23.2R2-S2-EVO, \n  *  23.4-EVO before 23.4R2-EVO.","status":"published","published":"2024-10-09T20:15:08.68Z","modified":"2026-06-17T07:42:05.747Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:10:31.271525Z"}]}}