{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-92391",
        "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "state": "PUBLISHED",
        "assignerShortName": "curl",
        "dateReserved": "2026-09-16T08:12:51.911Z",
        "datePublished": "2026-10-20T20:24:10.745Z",
        "dateUpdated": "2026-10-20T20:24:10.745Z"
    },
    "containers": {
        "cna": {
            "title": "curl_mime_free stack overflow by recursion",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A deeply nested multipart MIME structure constructed via the public API causes\na stack overflow in libcurl during normal cleanup operations. An excessive\nrecursion depth within `curl_mime_free` leads to unbounded stack frame\nallocation during structure traversal, ultimately crashing the host process."
                }
            ],
            "providerMetadata": {
                "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
                "shortName": "curl",
                "dateUpdated": "2026-10-20T20:24:10.745Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-674 Uncontrolled Recursion"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "curl",
                    "product": "curl",
                    "versions": [
                        {
                            "version": "8.22.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.22.0",
                            "versionType": "semver"
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                        {
                            "version": "8.21.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.21.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.20.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.20.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.19.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "8.18.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.18.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.17.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.17.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.16.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.16.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.15.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.15.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.14.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.14.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.14.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.14.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.13.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "8.12.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.12.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.12.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "8.11.1",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "8.11.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.11.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.10.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.10.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.10.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.10.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.9.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.9.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.9.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "8.8.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "8.7.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.7.1",
                            "versionType": "semver"
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                        {
                            "version": "8.7.0",
                            "status": "affected",
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                        {
                            "version": "8.6.0",
                            "status": "affected",
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                        {
                            "version": "8.5.0",
                            "status": "affected",
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                        {
                            "version": "8.4.0",
                            "status": "affected",
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                        {
                            "version": "8.3.0",
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                        {
                            "version": "8.2.1",
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                        {
                            "version": "8.2.0",
                            "status": "affected",
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                        {
                            "version": "8.1.2",
                            "status": "affected",
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                            "versionType": "semver"
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                        {
                            "version": "8.1.1",
                            "status": "affected",
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                        {
                            "version": "8.1.0",
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                        {
                            "version": "8.0.1",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "8.0.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.0.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.88.1",
                            "status": "affected",
                            "lessThanOrEqual": "7.88.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.88.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "7.87.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.87.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.86.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.86.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.85.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.85.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.84.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.84.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.83.1",
                            "status": "affected",
                            "lessThanOrEqual": "7.83.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.83.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.83.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.82.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.82.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.81.0",
                            "status": "affected",
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                        },
                        {
                            "version": "7.80.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.80.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.79.1",
                            "status": "affected",
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                        },
                        {
                            "version": "7.79.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.79.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.78.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.78.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.77.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.77.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.76.1",
                            "status": "affected",
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                        {
                            "version": "7.76.0",
                            "status": "affected",
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                            "versionType": "semver"
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                        {
                            "version": "7.75.0",
                            "status": "affected",
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                            "version": "7.74.0",
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                            "version": "7.73.0",
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                        {
                            "version": "7.72.0",
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                        {
                            "version": "7.71.1",
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                            "version": "7.71.0",
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                            "version": "7.65.1",
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                        {
                            "version": "7.65.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "7.64.1",
                            "status": "affected",
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                            "versionType": "semver"
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                        {
                            "version": "7.64.0",
                            "status": "affected",
                            "lessThanOrEqual": "7.64.0",
                            "versionType": "semver"
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                        {
                            "version": "7.63.0",
                            "status": "affected",
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                            "versionType": "semver"
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                        {
                            "version": "7.62.0",
                            "status": "affected",
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                            "versionType": "semver"
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                        {
                            "version": "7.61.1",
                            "status": "affected",
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                            "versionType": "semver"
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                        {
                            "version": "7.61.0",
                            "status": "affected",
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                            "versionType": "semver"
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                        {
                            "version": "7.60.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "7.59.0",
                            "status": "affected",
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                            "versionType": "semver"
                        },
                        {
                            "version": "7.58.0",
                            "status": "affected",
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                        {
                            "version": "7.57.0",
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                            "status": "affected",
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                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "references": [
                {
                    "url": "https://curl.se/docs/CVE-2026-92391.json",
                    "name": "json"
                },
                {
                    "url": "https://curl.se/docs/CVE-2026-92391.html",
                    "name": "www"
                },
                {
                    "url": "https://hackerone.com/reports/4024222",
                    "name": "issue"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Joshua Rogers (Aisle Research)",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Daniel Stenberg",
                    "type": "remediation developer"
                }
            ]
        }
    }
}