Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference_CVE-2026-1682

{
    "lastseen": "",
    "description": "A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.",
    "published": "2026-01-30T14:02:07.468Z",
    "modified": "2026-01-30T14:02:07.468Z",
    "type": "cve",
    "title": "Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.343475\nhttps://vuldb.com/?ctiid.343475\nhttps://vuldb.com/?submit.739508\nhttps://github.com/free5gc/free5gc/issues/794\nhttps://github.com/free5gc/free5gc/issues/794#issuecomment-3761063382\nhttps://github.com/free5gc/free5gc/issues/794#issue-3811888505\nhttps://github.com/free5gc/smf/pull/188",
    "id": "CVE-2026-1682",
    "bulletinFamily": "",
    "cwe": [
        "CWE-476",
        "CWE-404"
    ],
    "cvelist": null,
    "sourceData": "Free5GC SMF 4.0\nFree5GC SMF 4.1.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "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:P",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "SMF",
    "version": "4.0",
    "vendor": "Free5GC",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}