{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-82587",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2026-08-30T06:09:37.015Z",
        "datePublished": "2026-08-30T19:00:11.238Z",
        "dateUpdated": "2026-08-30T19:00:11.238Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2026-08-30T19:00:11.238Z"
            },
            "title": "Open5GS AMF namf-handler.c amf_namf_comm_decode_ue_mm_context_list memory corruption",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-119",
                            "lang": "en",
                            "description": "Memory Corruption"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "Open5GS",
                    "versions": [
                        {
                            "version": "2.7.0",
                            "status": "affected"
                        },
                        {
                            "version": "2.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "2.7.2",
                            "status": "affected"
                        },
                        {
                            "version": "2.7.3",
                            "status": "affected"
                        },
                        {
                            "version": "2.7.4",
                            "status": "affected"
                        },
                        {
                            "version": "2.7.5",
                            "status": "affected"
                        },
                        {
                            "version": "2.7.6",
                            "status": "affected"
                        },
                        {
                            "version": "2.7.7",
                            "status": "affected"
                        },
                        {
                            "version": "2.8.0",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "AMF"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_decode_ue_mm_context_list of the file src/amf/namf-handler.c of the component AMF. This manipulation of the argument ueContext.mmContextList[*].allowedNssai causes memory corruption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.8.0 is able to resolve this issue. Patch name: abf8a836564b966b5141110fc25ed413c4f17522. It is recommended to upgrade the affected component."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseScore": 5.3,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 4.3,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_0": {
                        "version": "3.0",
                        "baseScore": 4.3,
                        "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV2_0": {
                        "version": "2.0",
                        "baseScore": 4,
                        "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C"
                    }
                }
            ],
            "timeline": [
                {
                    "time": "2026-08-30T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2026-08-30T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2026-08-30T08:15:02.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "ZiyuLin (VulDB User)",
                    "type": "reporter"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/vuln/397082",
                    "name": "VDB-397082 | Open5GS AMF namf-handler.c amf_namf_comm_decode_ue_mm_context_list memory corruption",
                    "tags": [
                        "vdb-entry",
                        "technical-description"
                    ]
                },
                {
                    "url": "https://vuldb.com/vuln/397082/cti",
                    "name": "VDB-397082 | CTI Indicators (IOB, IOC, IOA)",
                    "tags": [
                        "signature",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://vuldb.com/cve/CVE-2026-82587",
                    "name": "CVE-2026-82587 | CVE Analysis and Report",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://vuldb.com/submit/891890",
                    "name": "Submit #891890 | Open5gs AMF v2.7.7 Denial of Service",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/open5gs/open5gs/issues/4398",
                    "tags": [
                        "exploit",
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/open5gs/open5gs/releases/tag/v2.8.0",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/open5gs/open5gs/",
                    "tags": [
                        "product"
                    ]
                }
            ],
            "tags": [
                "x_open-source"
            ],
            "x_generator": [
                "VulDB PVTS v202608"
            ]
        }
    }
}