{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33775", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-03-23T19:46:13.668Z", "datePublished": "2026-04-09T21:30:08.528Z", "dateUpdated": "2026-04-13T18:06:19.695Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["MX Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "22.4R3-S8", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "23.2R2-S5", "status": "affected", "version": "23.2", "versionType": "semver"}, {"lessThan": "23.4R2-S6", "status": "affected", "version": "23.4", "versionType": "semver"}, {"lessThan": "24.2R2-S2", "status": "affected", "version": "24.2", "versionType": "semver"}, {"lessThan": "24.4R2", "status": "affected", "version": "24.4", "versionType": "semver"}, {"lessThan": "25.2R2", "status": "affected", "version": "25.2", "versionType": "semver"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A system is only affected, when packet-types is configured as follows:<br><br><tt>\n\n<span style=\"background-color: rgb(255, 255, 255);\">[ interface &lt;interface&gt; </span><span style=\"background-color: rgb(255, 255, 255);\">auto-configure (</span><span style=\"background-color: rgb(255, 255, 255);\">stacked-)vlan-ranges </span><span style=\"background-color: rgb(255, 255, 255);\">dynamic-profile &lt;profile-name&gt; </span><span style=\"background-color: rgb(255, 255, 255);\">accept &lt;packet-type1&gt; ]<br></span></tt>\n\n<tt><br></tt>which allows packets of type 1 to be processed on receipt, but<br><br><tt>[ interfaces &lt;interface&gt;auto-configure (stacked-)vlan-ranges&nbsp;authentication packet-types &lt;packet-type2&gt; ]<br><br></tt>is a mismatch and doesn't require authentication for these packets.<br><br>"}], "value": "A system is only affected, when packet-types is configured as follows:\n\n\n\n[ interface <interface> auto-configure (stacked-)vlan-ranges dynamic-profile <profile-name> accept <packet-type1> ]\n\n\n\nwhich allows packets of type 1 to be processed on receipt, but\n\n[ interfaces <interface>auto-configure (stacked-)vlan-ranges\u00a0authentication packet-types <packet-type2> ]\n\nis a mismatch and doesn't require authentication for these packets."}], "datePublic": "2026-04-08T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).<br><br>If the authentication packet-type option is configured and a received packet does not match that packet type, the memory leak occurs. 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(DoS).\n\nIf the authentication packet-type option is configured and a received packet does not match that packet type, the memory leak occurs. When all memory \n\navailable to bbe-smgd\u00a0has been consumed, no new subscribers will be able to login.\n\nThe memory utilization of bbe-smgd can be monitored with the following show command:\n\nuser@host> show system processes extensive | match bbe-smgd\n\nThe below log message can be observed when this limit has been reached:\n\nbbesmgd[<PID>]: %DAEMON-3-SMD_DPROF_RSMON_ERROR: Resource unavailability, Reason: Daemon Heap Memory exhaustion\n\n\nThis issue affects Junos OS on MX Series:\n * all versions before 22.4R3-S8,\n * 23.2 versions before 23.2R2-S5,\n * 23.4 versions before 23.4R2-S6,\n * 24.2 versions before 24.2R2-S2,\n * 24.4 versions before 24.4R2,\n * 25.2 versions before 25.2R2."}], "id": "CVE-2026-33775", "lastModified": "2026-04-17T17:40:50.143", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "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": "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/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:X/V:X/RE:M/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2026-04-09T22:16:26.020", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA107821"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "sirt@juniper.net", "type": "Primary"}]}

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