{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-101950", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-09-28T16:28:35.624Z", "datePublished": "2026-10-14T16:28:57.210Z", "dateUpdated": "2026-10-16T15:31:51.097Z" }, "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" } ] } ], "configurations": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "[ services vector-routing ... ]" } ], "value": "[ services vector-routing ... ]" } ], "datePublic": "2026-10-14T16:00:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to cause a denial of service and potentially compromise confidentiality and integrity via malformed IPv4 packets reaching an interface configured for Secure Vector Routing." } ], "value": "A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to cause a denial of service and potentially compromise confidentiality and integrity via malformed IPv4 packets reaching an interface configured for Secure Vector Routing." } ], "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": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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": 9.3, "baseSeverity": "CRITICAL", "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:H/VI:H/VA:H/SC:N/SI:N/SA:L", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-14T16:28:57.210Z" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://supportportal.juniper.net/JSA112186" } ], "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.

Note: For Junos OS releases 23.2, 23.4, and 24.2, 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\nNote: For Junos OS releases 23.2, 23.4, and 24.2, 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": "JSA112186", "defect": [ "1953078" ], "discovery": "INTERNAL" }, "title": "Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Secure Vector Routing is enabled", "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-2026-101950", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-10-16T15:18:29.418657Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:31:51.097Z" } } ] } }