{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-101962", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-09-28T16:28:35.625Z", "datePublished": "2026-10-14T17:19:36.170Z", "dateUpdated": "2026-10-14T20:26:07.845Z"}, "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 group &lt;group&gt; family evpn signaling ]<br>"}], "value": "[ protocols bgp group <group> family evpn signaling ]"}], "datePublic": "2026-10-14T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker sending a specifically malformed BGP EVPN multicast update which is attempted to be readvertised to cause an rpd crash."}], "value": "An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker sending a specifically malformed BGP EVPN multicast update which is attempted to be readvertised to cause an rpd crash."}], "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": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "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": "NOT_DEFINED", "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-130", "description": "CWE-130 Improper Handling of Length Parameter Inconsistency", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-14T17:19:36.170Z"}, "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:<br>\n<br>\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.<br><br>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.<br><br><b>Note:</b> 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": ["1953997"], "discovery": "INTERNAL"}, "title": "Junos OS and Junos OS Evolved: An attacker sending a malformed update causes an rpd crash when BGP EVPN signaling is used", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "If not required EVPN multicast updates can be filtered with an import policy on the resp. BGP peers:<br><br><tt>[ policy-options policy-statement EVPN-NO-MCAST term reject from family evpn ]<br>[ policy-options policy-statement EVPN-NO-MCAST term reject from nlri-route-type [ 6 7 8 10 ] ]<br>[ policy-options policy-statement EVPN-NO-MCAST term reject then reject ]<br>[ protocols bgp group &lt;group&gt; import EVPN-NO-MCAST ]</tt>"}], "value": "If not required EVPN multicast updates can be filtered with an import policy on the resp. BGP peers:\n\n[ policy-options policy-statement EVPN-NO-MCAST term reject from family evpn ]\n[ policy-options policy-statement EVPN-NO-MCAST term reject from nlri-route-type [ 6 7 8 10 ] ]\n[ policy-options policy-statement EVPN-NO-MCAST term reject then reject ]\n[ protocols bgp group <group> import EVPN-NO-MCAST ]"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-101962", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-14T19:49:20.378480Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T20:26:07.845Z"}}]}}

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