{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-101984", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-09-28T16:31:35.504Z", "datePublished": "2026-10-14T16:33:33.431Z", "dateUpdated": "2026-10-14T20:15:54.892Z" }, "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": "[ protocols bgp ... family inet/inet6 labeled-unicast aggregate-label ]
" } ], "value": "[ protocols bgp ... family inet/inet6 labeled-unicast aggregate-label ]" } ], "datePublic": "2026-10-14T16:00:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-adjacent BGP peer to cause a denial of service when labeled-unicast aggregate-label is configured.

\n\n\n\n

" } ], "value": "A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-adjacent BGP peer to cause a denial of service when labeled-unicast aggregate-label is configured." } ], "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": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/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": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 7.1, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-617", "description": "CWE-617 Reachable Assertion", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-14T16:33:33.431Z" }, "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, 25.4R1-S3-EVO, 25.4R2-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.\n\n
" } ], "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, 25.4R1-S3-EVO, 25.4R2-EVO, 26.2R1-S2-EVO, 26.2R2-EVO, 26.4R1-EVO, and all subsequent releases.\n\n\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": [ "1954487" ], "discovery": "INTERNAL" }, "title": "Junos OS and Junos OS Evolved: A BGP peer causes an rpd crash when labeled-unicast aggregate-label is configured", "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": { "id": "CVE-2026-101984", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-10-14T20:15:36.222627Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T20:15:54.892Z" } } ] } }