{
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    "cveMetadata": {
        "cveId": "CVE-2026-3805",
        "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "state": "PUBLISHED",
        "assignerShortName": "curl",
        "dateReserved": "2026-03-08T16:07:39.817Z",
        "datePublished": "2026-03-11T10:09:37.729Z",
        "dateUpdated": "2026-09-15T06:02:55.871Z"
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                "shortName": "curl",
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            },
            "title": "use after free in SMB connection reuse",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "When doing a second SMB request to the same host again, curl would wrongly use\na data pointer pointing into already freed memory."
                }
            ],
            "affected": [
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                    "vendor": "curl",
                    "product": "curl",
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                        {
                            "version": "8.13.0",
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            "references": [
                {
                    "url": "https://curl.se/docs/CVE-2026-3805.json"
                },
                {
                    "url": "https://curl.se/docs/CVE-2026-3805.html"
                },
                {
                    "url": "https://hackerone.com/reports/3591944"
                }
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                "id": "CURL-CVE-2026-3805",
                "aliases": [
                    "CVE-2026-3805"
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                "summary": "use after free in SMB connection reuse",
                "modified": "2026-09-07T10:34:51.00Z",
                "database_specific": {
                    "package": "curl",
                    "affects": "both",
                    "URL": "https://curl.se/docs/CVE-2026-3805.json",
                    "www": "https://curl.se/docs/CVE-2026-3805.html",
                    "issue": "https://hackerone.com/reports/3591944",
                    "CWE": {
                        "id": "CWE-416",
                        "desc": "Use After Free"
                    },
                    "last_affected": "8.18.0",
                    "severity": "Medium"
                },
                "published": "2026-03-11T08:00:00.00Z",
                "affected": [
                    {
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                                "type": "SEMVER",
                                "events": [
                                    {
                                        "introduced": "8.13.0"
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                                        "fixed": "8.14.2"
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                                        "introduced": "8.15.0"
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                                        "fixed": "8.16.1"
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                                    {
                                        "introduced": "8.17.0"
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                                    {
                                        "fixed": "8.19.0"
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                            },
                            {
                                "type": "GIT",
                                "repo": "https://github.com/curl/curl.git",
                                "events": [
                                    {
                                        "introduced": "f4831daa9b2a97e8a2921d6b62cc4dfdd0d8646e"
                                    },
                                    {
                                        "fixed": "e090be9f73a7a71459ef678c7cc4b1f75e3ea883"
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                        "versions": [
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                            "8.17.0",
                            "8.16.0",
                            "8.15.0",
                            "8.14.1",
                            "8.14.0",
                            "8.13.0"
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                ],
                "credits": [
                    {
                        "name": "Daniel Wade",
                        "type": "finder"
                    },
                    {
                        "name": "Stefan Eissing",
                        "type": "remediation developer"
                    }
                ],
                "details": "When doing a second SMB request to the same host again, curl would wrongly use\na data pointer pointing into already freed memory."
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Use After Free",
                            "cweId": "CWE-416",
                            "type": "CWE"
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                {
                    "lang": "en",
                    "value": "Daniel Wade",
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                "engine": "cvelib 1.8.0"
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        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/03/11/4"
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                ],
                "providerMetadata": {
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                    "shortName": "CVE",
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                                "type": "CWE",
                                "cweId": "CWE-416",
                                "lang": "en",
                                "description": "CWE-416 Use After Free"
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                        ]
                    }
                ],
                "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": "2026-03-11T15:45:10.217077Z",
                                "id": "CVE-2026-3805",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "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": "2026-03-11T15:45:38.820Z"
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}