{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-56852",
        "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "state": "PUBLISHED",
        "assignerShortName": "Go",
        "dateReserved": "2026-06-23T15:10:49.352Z",
        "datePublished": "2026-07-21T19:18:59.951Z",
        "dateUpdated": "2026-08-10T22:57:54.703Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
                "shortName": "Go",
                "dateUpdated": "2026-08-10T22:57:54.703Z"
            },
            "title": "Infinite loop on invalid input in golang.org/x/text",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes."
                }
            ],
            "affected": [
                {
                    "vendor": "golang.org/x/text",
                    "product": "golang.org/x/text/unicode/norm",
                    "collectionURL": "https://pkg.go.dev",
                    "packageName": "golang.org/x/text/unicode/norm",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "0.39.0",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "programRoutines": [
                        {
                            "name": "nextComposed"
                        },
                        {
                            "name": "Form.Append"
                        },
                        {
                            "name": "Form.AppendString"
                        },
                        {
                            "name": "Form.Bytes"
                        },
                        {
                            "name": "Form.FirstBoundary"
                        },
                        {
                            "name": "Form.FirstBoundaryInString"
                        },
                        {
                            "name": "Form.IsNormal"
                        },
                        {
                            "name": "Form.IsNormalString"
                        },
                        {
                            "name": "Form.LastBoundary"
                        },
                        {
                            "name": "Form.NextBoundary"
                        },
                        {
                            "name": "Form.NextBoundaryInString"
                        },
                        {
                            "name": "Form.Properties"
                        },
                        {
                            "name": "Form.PropertiesString"
                        },
                        {
                            "name": "Form.QuickSpan"
                        },
                        {
                            "name": "Form.QuickSpanString"
                        },
                        {
                            "name": "Form.Span"
                        },
                        {
                            "name": "Form.SpanString"
                        },
                        {
                            "name": "Form.String"
                        },
                        {
                            "name": "Form.Transform"
                        },
                        {
                            "name": "Iter.Init"
                        },
                        {
                            "name": "Iter.InitString"
                        },
                        {
                            "name": "Iter.Next"
                        },
                        {
                            "name": "Iter.Seek"
                        },
                        {
                            "name": "normReader.Read"
                        },
                        {
                            "name": "normWriter.Write"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://go.dev/issue/80142"
                },
                {
                    "url": "https://go.dev/cl/794100"
                },
                {
                    "url": "https://pkg.go.dev/vuln/GO-2026-5970"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Viky Choi (\"vikychoi\" on GitHub)"
                }
            ]
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-835",
                                "lang": "en",
                                "description": "CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.5,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-23T13:26:14.918983Z",
                                "id": "CVE-2026-56852",
                                "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": "2026-07-23T13:26:20.232Z"
                }
            }
        ]
    }
}