{"dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-03-11T10:16:34.391Z"}, "containers": {"cna": {"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."}], "providerMetadata": {"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "shortName": "curl", "dateUpdated": "2026-03-11T10:09:37.729Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-416 Use After Free"}]}], "affected": [{"vendor": "curl", "product": "curl", "versions": [{"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", "lessThanOrEqual": "8.13.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://curl.se/docs/CVE-2026-3805.json", "name": "json"}, {"url": "https://curl.se/docs/CVE-2026-3805.html", "name": "www"}, {"url": "https://hackerone.com/reports/3591944", "name": "issue"}], "credits": [{"lang": "en", "value": "Daniel Wade", "type": "finder"}, {"lang": "en", "value": "Stefan Eissing", "type": "remediation developer"}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/03/11/4"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-03-11T10:16:34.391Z"}}]}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-3805", "lastModified": "2026-03-11T13:52:47.683", "metrics": {}, "published": "2026-03-11T11:16:00.967", "references": [{"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "url": "https://curl.se/docs/CVE-2026-3805.html"}, {"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "url": "https://curl.se/docs/CVE-2026-3805.json"}, {"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "url": "https://hackerone.com/reports/3591944"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/03/11/4"}], "sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9", "vulnStatus": "Awaiting Analysis"}

{}

{}