{"id":"CVE-2024-39549","aliases":["EUVD-2024-38075","GHSA-hw78-gpfh-vw3q"],"status":"published","title":"Junos OS and Junos OS Evolved: Receipt of malformed BGP path attributes leads to a memory leak","description":"A Missing Release of Memory after Effective Lifetime vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This memory is not properly freed in all circumstances, leading to a Denial of Service (DoS).\n\nConsumed memory can be freed by manually restarting Routing Protocol Daemon (rpd).\n\nMemory utilization could be monitored by: \nuser@host\u003e show system memory or show system monitor memory status\n\nThis issue affects:\n\nJunos OS:   *  All versions before 21.2R3-S8, \n  *  from 21.4 before 21.4R3-S8,\n\n  *  from 22.2 before 22.2R3-S4, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S3,\n  *  from 23.2 before 23.2R2-S1, \n  *  from 23.4 before 23.4R1-S2, 23.4R2.\n\n\nJunos OS Evolved:\n  *  All versions before 21.2R3-S8-EVO, \n  *  from 21.4 before 21.4R3-S8-EVO,\n  *  from 22.2 before 22.2R3-S4-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S3-EVO,\n\n  *  from 23.2 before 23.2R2-S1-EVO, \n  *  from 23.4 before 23.4R1-S2-EVO, 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/R:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00466,"percentile":0.40671,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-401"],"published":"2024-07-11T16:27:19Z","modified":"2026-06-17T07:42:11Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper","product":"junos_os"},{"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/JSA83011","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39549"},{"url":"https://github.com/advisories/GHSA-hw78-gpfh-vw3q"}],"sources":{"cve":[{"id":"CVE-2024-39549","title":"Junos OS and Junos OS Evolved: Receipt of malformed BGP path attributes leads to a memory leak","description":"A Missing Release of Memory after Effective Lifetime vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This memory is not properly freed in all circumstances, leading to a Denial of Service (DoS).\n\nConsumed memory can be freed by manually restarting Routing Protocol Daemon (rpd).\n\nMemory utilization could be monitored by: \nuser@host\u003e show system memory or show system monitor memory status\n\nThis issue affects:\n\nJunos OS:   *  All versions before 21.2R3-S8, \n  *  from 21.4 before 21.4R3-S8,\n\n  *  from 22.2 before 22.2R3-S4, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S3,\n  *  from 23.2 before 23.2R2-S1, \n  *  from 23.4 before 23.4R1-S2, 23.4R2.\n\n\nJunos OS Evolved:\n  *  All versions before 21.2R3-S8-EVO, \n  *  from 21.4 before 21.4R3-S8-EVO,\n  *  from 22.2 before 22.2R3-S4-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S3-EVO,\n\n  *  from 23.2 before 23.2R2-S1-EVO, \n  *  from 23.4 before 23.4R1-S2-EVO, 23.4R2-EVO.","status":"published","published":"2024-07-11T16:27:19.238Z","modified":"2025-02-26T18:16:27.497Z","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/R:U","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-401"],"updated_at":"2026-11-02T14:34:18.951288Z"}],"euvd":[{"id":"EUVD-2024-38075","description":"A Missing Release of Memory after Effective Lifetime vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This memory is not properly freed in all circumstances, leading to a Denial of Service (DoS).\n\nConsumed memory can be freed by manually restarting Routing Protocol Daemon (rpd).\n\nMemory utilization could be monitored by: \nuser@host\u003e show system memory or show system monitor memory status\n\nThis issue affects:\n\nJunos OS:   *  All versions before 21.2R3-S8, \n  *  from 21.4 before 21.4R3-S8,\n\n  *  from 22.2 before 22.2R3-S4, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S3,\n  *  from 23.2 before 23.2R2-S1, \n  *  from 23.4 before 23.4R1-S2, 23.4R2.\n\n\nJunos OS Evolved:\n  *  All versions before 21.2R3-S8-EVO, \n  *  from 21.4 before 21.4R3-S8-EVO,\n  *  from 22.2 before 22.2R3-S4-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S3-EVO,\n\n  *  from 23.2 before 23.2R2-S1-EVO, \n  *  from 23.4 before 23.4R1-S2-EVO, 23.4R2-EVO.","status":"published","published":"2024-07-11T16:27:19Z","modified":"2025-02-26T18:16:27Z","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/R:U","level":"high"}],"updated_at":"2026-11-02T20:53:22.849013Z"}],"ghsa":[{"id":"GHSA-hw78-gpfh-vw3q","title":"A Missing Release of Memory after Effective Lifetime vulnerability in the routing process daemon ...","description":"A Missing Release of Memory after Effective Lifetime vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This memory is not properly freed in all circumstances, leading to a Denial of Service (DoS).\n\nConsumed memory can be freed by manually restarting Routing Protocol Daemon (rpd).\n\nMemory utilization could be monitored by: \nuser@host\u003e show system memory or show system monitor memory status\n\nThis issue affects:\n\nJunos OS:   *  All versions before 21.2R3-S8, \n  *  from 21.4 before 21.4R3-S8,\n\n  *  from 22.2 before 22.2R3-S4, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S3,\n  *  from 23.2 before 23.2R2-S1, \n  *  from 23.4 before 23.4R1-S2, 23.4R2,\n  *  from 24.2 before 24.2R2-EVO.\n\n\nJunos OS Evolved:\n  *  All versions before 21.2R3-S8-EVO, \n  *  from 21.4 before 21.4R3-S8-EVO,\n  *  from 22.2 before 22.2R3-S4-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S3-EVO,\n\n  *  from 23.2 before 23.2R2-S1-EVO, \n  *  from 23.4 before 23.4R1-S2, 23.4R2,\n  *  from 24.2 before 24.2R2-EVO.","status":"published","published":"2024-07-11T18:31:13Z","modified":"2024-07-31T05:02:58Z","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:U/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-401"],"updated_at":"2026-11-02T14:57:45.682811Z"}],"nvd":[{"id":"CVE-2024-39549","description":"A Missing Release of Memory after Effective Lifetime vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This memory is not properly freed in all circumstances, leading to a Denial of Service (DoS).\n\nConsumed memory can be freed by manually restarting Routing Protocol Daemon (rpd).\n\nMemory utilization could be monitored by: \nuser@host\u003e show system memory or show system monitor memory status\n\nThis issue affects:\n\nJunos OS:   *  All versions before 21.2R3-S8, \n  *  from 21.4 before 21.4R3-S8,\n\n  *  from 22.2 before 22.2R3-S4, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S3,\n  *  from 23.2 before 23.2R2-S1, \n  *  from 23.4 before 23.4R1-S2, 23.4R2.\n\n\nJunos OS Evolved:\n  *  All versions before 21.2R3-S8-EVO, \n  *  from 21.4 before 21.4R3-S8-EVO,\n  *  from 22.2 before 22.2R3-S4-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S3-EVO,\n\n  *  from 23.2 before 23.2R2-S1-EVO, \n  *  from 23.4 before 23.4R1-S2-EVO, 23.4R2-EVO.","status":"published","published":"2024-07-11T17:15:15.433Z","modified":"2026-06-17T07:42:11.727Z","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:U/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-401"],"updated_at":"2026-11-02T14:10:12.994089Z"}]}}