{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-102029", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-09-28T17:33:49.411Z", "datePublished": "2026-10-14T16:49:19.421Z", "dateUpdated": "2026-10-16T16:39:06.156Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Junos OS", "vendor": "Juniper Networks", "versions": [ { "lessThan": "23.2R2-S7.7", "status": "affected", "version": "0", "versionType": "custom" }, { "lessThan": "23.4R2-S8.13", "status": "affected", "version": "23.4", "versionType": "custom" }, { "lessThan": "24.2R2-S5.5", "status": "affected", "version": "24.2", "versionType": "custom" }, { "lessThan": "24.4R2-S5", "status": "affected", "version": "24.4", "versionType": "custom" }, { "lessThan": "25.2R2-S2", "status": "affected", "version": "25.2", "versionType": "custom" }, { "lessThan": "25.4R1-S3", "status": "affected", "version": "25.4", "versionType": "custom" }, { "lessThan": "26.2R1-S2", "status": "affected", "version": "26.2", "versionType": "custom" } ] }, { "defaultStatus": "unaffected", "product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [ { "lessThan": "23.2R2-S7.7-EVO", "status": "affected", "version": "0", "versionType": "custom" }, { "lessThan": "23.4R2-S8.11-EVO", "status": "affected", "version": "23.4", "versionType": "custom" }, { "lessThan": "24.2R2-S5.6-EVO", "status": "affected", "version": "24.2", "versionType": "custom" }, { "lessThan": "24.4R2-S5-EVO", "status": "affected", "version": "24.4", "versionType": "custom" }, { "lessThan": "25.2R2-S2-EVO", "status": "affected", "version": "25.2", "versionType": "custom" }, { "lessThan": "25.4R1-S3-EVO", "status": "affected", "version": "25.4", "versionType": "custom" }, { "lessThan": "26.2R1-S2-EVO", "status": "affected", "version": "26.2", "versionType": "custom" }, { "status": "affected", "version": "23.4X100", "versionType": "custom" }, { "lessThan": "25.2X100-D35-EVO", "status": "affected", "version": "25.2X100", "versionType": "custom" }, { "lessThan": "25.4X300-D40-EVO", "status": "affected", "version": "25.4X300", "versionType": "custom" } ] } ], "configurations": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "[ policy-options policy-statement <name> ... as-path-expand ... ]

[ protocols bgp ... export <name> ... ]
" } ], "value": "[ policy-options policy-statement ... as-path-expand ... ]\n\n[ protocols bgp ... export ... ]" } ], "datePublic": "2026-10-14T16:00:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated configured MSDP peer or adjacent PIM sender to cause a denial of service via an MSDP or PIM policy that uses AS-path expansion." } ], "value": "A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated configured MSDP peer or adjacent PIM sender to cause a denial of service via an MSDP or PIM policy that uses AS-path expansion." } ], "exploits": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] }, { "cvssV4_0": { "Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "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/AU:Y/R:A/V:C/RE:M", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-14T16:49:19.421Z" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://supportportal.juniper.net/JSA112187" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": true, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue:
\n
\nJunos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases.

Junos OS Evolved: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.2X100-D35-EVO, 25.4R1-S3-EVO, 25.4R2-EVO, 25.4X300-D40-EVO, 26.2R1-S2-EVO, 26.2R2-EVO, 26.4R1-EVO, and all subsequent releases.

Note: For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory." } ], "value": "The following software releases have been updated to resolve this specific issue:\n\n\n\nJunos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases.\n\nJunos OS Evolved: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.2X100-D35-EVO, 25.4R1-S3-EVO, 25.4R2-EVO, 25.4X300-D40-EVO, 26.2R1-S2-EVO, 26.2R2-EVO, 26.4R1-EVO, and all subsequent releases.\n\nNote: For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory." } ], "source": { "advisory": "JSA112187", "defect": [ "1956260" ], "discovery": "INTERNAL" }, "title": "Junos OS and Junos OS Evolved: An attacker causes routing-daemon denial of service when an MSDP or PIM policy uses AS-path expansion", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "There are no known workarounds for this issue." } ], "value": "There are no known workarounds for this issue." } ], "x_generator": { "engine": "Vulnogram 0.1.0-dev" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-16T16:38:54.450684Z", "id": "CVE-2026-102029", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T16:39:06.156Z" } } ] } }