{"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"}}]}}