{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102036", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-09-28T17:33:49.411Z", "datePublished": "2026-10-14T16:50:56.034Z", "dateUpdated": "2026-10-14T16:50:56.034Z"}, "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"}]}], "datePublic": "2026-10-14T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Integer Overflow or Wraparound vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved allows a configured EVPN BGP peer to cause a denial of service via EVPN Type-2 MAC/IP routes."}], "value": "An Integer Overflow or Wraparound vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved allows a configured EVPN BGP peer to cause a denial of service via EVPN Type-2 MAC/IP routes."}], "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-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-14T16:50:56.034Z"}, "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": ["1956599"], "discovery": "INTERNAL"}, "title": "Junos OS and Junos OS Evolved: An EVPN default-gateway route burst causes l2ald denial of service", "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"}}}}

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{"affected": [{"affectedData": [{"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"}]}], "source": "sirt@juniper.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An Integer Overflow or Wraparound vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved allows a configured EVPN BGP peer to cause a denial of service via EVPN Type-2 MAC/IP routes."}], "id": "CVE-2026-102036", "lastModified": "2026-10-14T17:17:57.717", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "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/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:Y/R:A/V:C/RE:M/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2026-10-14T17:17:57.717", "references": [{"source": "sirt@juniper.net", "url": "https://supportportal.juniper.net/JSA112187"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "sirt@juniper.net", "type": "Primary"}]}

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