{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-69247", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-12-30T14:06:18.104Z", "datePublished": "2026-02-23T21:38:15.526Z", "dateUpdated": "2026-02-25T15:30:30.289Z"}, "containers": {"cna": {"title": "free5GC has Heap Buffer Overflow in UPF Leading to Denial of Service", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.7, "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U", "version": "4.0"}}], "references": [{"name": "https://github.com/free5gc/free5gc/security/advisories/GHSA-gf69-93xr-p23g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/free5gc/free5gc/security/advisories/GHSA-gf69-93xr-p23g"}, {"name": "https://github.com/free5gc/free5gc/issues/746", "tags": ["x_refsource_MISC"], "url": "https://github.com/free5gc/free5gc/issues/746"}, {"name": "https://github.com/free5gc/go-upf/pull/85", "tags": ["x_refsource_MISC"], "url": "https://github.com/free5gc/go-upf/pull/85"}, {"name": "https://github.com/free5gc/go-upf/commit/b798fe5ee6a984be492fa53958dd5f1305469f85", "tags": ["x_refsource_MISC"], "url": "https://github.com/free5gc/go-upf/commit/b798fe5ee6a984be492fa53958dd5f1305469f85"}], "affected": [{"vendor": "free5gc", "product": "go-upf", "versions": [{"version": "< 1.2.8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-23T21:38:15.526Z"}, "descriptions": [{"lang": "en", "value": "free5GC go-upf is the User Plane Function (UPF) implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow (CWE-122) vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element by sending a specially crafted PFCP Session Modification Request with an invalid SDF Filter length field. This causes a heap buffer overflow, resulting in complete service disruption for all connected UEs and potential cascading failures affecting the SMF. All deployments of free5GC using the UPF component may be affected. Version 1.2.8 of go-upf contains a fix."}], "source": {"advisory": "GHSA-gf69-93xr-p23g", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-25T15:30:10.639685Z", "id": "CVE-2025-69247", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-25T15:30:30.289Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:free5gc:go-upf:*:*:*:*:*:go:*:*", "matchCriteriaId": "05AEA058-57BF-4C29-8756-1BF85ECEF4CC", "versionEndExcluding": "1.2.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "free5GC go-upf is the User Plane Function (UPF) implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow (CWE-122) vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element by sending a specially crafted PFCP Session Modification Request with an invalid SDF Filter length field. This causes a heap buffer overflow, resulting in complete service disruption for all connected UEs and potential cascading failures affecting the SMF. All deployments of free5GC using the UPF component may be affected. Version 1.2.8 of go-upf contains a fix."}, {"lang": "es", "value": "free5GC go-upf es la implementaci\u00f3n de la Funci\u00f3n del Plano de Usuario (UPF) para redes 5G que forma parte del proyecto free5GC. Las versiones anteriores a la 1.2.8 tienen una vulnerabilidad de desbordamiento de b\u00fafer basado en mont\u00edculo (CWE-122) que conduce a una denegaci\u00f3n de servicio. Los atacantes remotos pueden bloquear el elemento de red UPF al enviar una Solicitud de Modificaci\u00f3n de Sesi\u00f3n PFCP especialmente dise\u00f1ada con un campo de longitud de filtro SDF no v\u00e1lido. Esto causa un desbordamiento de b\u00fafer de mont\u00edculo, lo que resulta en una interrupci\u00f3n completa del servicio para todos los UEs conectados y posibles fallos en cascada que afectan al SMF. Todas las implementaciones de free5GC que utilizan el componente UPF pueden verse afectadas. La versi\u00f3n 1.2.8 de go-upf contiene una soluci\u00f3n."}], "id": "CVE-2025-69247", "lastModified": "2026-02-25T16:21:34.830", "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": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "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": "NONE", "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:L/SC:N/SI:N/SA:N/E:U/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:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-23T22:16:21.057", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/free5gc/free5gc/issues/746"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/free5gc/free5gc/security/advisories/GHSA-gf69-93xr-p23g"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/free5gc/go-upf/commit/b798fe5ee6a984be492fa53958dd5f1305469f85"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/free5gc/go-upf/pull/85"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.2.8)"}}], "enrichment": {"confidence": 88.0, "confidence_source": "matching", "scores": [{"score": 88.0, "source": "matching"}]}, "original": {"product": "go-upf", "source": "cna", "vendor": "free5gc"}, "product": "upf", "vendor": "free5gc"}], "created": "2026-02-24T09:54:44.177861+00:00", "updated": "2026-02-24T09:54:44.177962+00:00", "vendors": ["free5gc", "free5gc$PRODUCT$upf"]}