{
  "cveId": "CVE-2026-3805",
  "url": "https://patchblox.com/security/cve/CVE-2026-3805",
  "summary": "CVE-2026-3805 is fixed in 13 products on 1 platform, first by curl 8.14.1-2ubuntu1.2, released March 11, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "use after free in SMB connection reuse",
  "description": "This update for curl fixes the following issues:\n\n- CVE-2026-1965: bad reuse of HTTP Negotiate connection (bsc#1259362).\n- CVE-2026-3783: token leak with redirect and netrc (bsc#1259363).\n- CVE-2026-3784: wrong proxy connection reuse with credentials (bsc#1259364).\n- CVE-2026-3805: use after free in SMB connection reuse (bsc#1259365).",
  "published": "2026-03-11T11:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00896,
  "epssPercentile": 0.59791,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3805",
  "fixes": [
    {
      "platform": "linux",
      "product": "curl",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "8.14.1-2\u002Bdeb13u4",
      "fix": "DEBIAN-CVE-2026-3805",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-3805",
      "released": "2026-03-11T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "Debian 14",
      "fixedVersion": "8.19.0-1",
      "fix": "DEBIAN-CVE-2026-3805",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-3805",
      "released": "2026-03-11T11:16:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "8.14.1-2ubuntu1.2",
      "fix": "curl 8.14.1-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-curl-8.14.1-2ubuntu1.2",
      "released": "2026-03-11T11:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "8.14.1-150600.4.40.1",
      "fix": "SUSE-SU-2026:0885-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-0885-1",
      "released": "2026-03-12T14:50:17Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "8.14.1-160000.5.1",
      "fix": "OPENSUSE-SU-2026:20404-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20404-1",
      "released": "2026-03-20T09:36:45Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "sles 15.6",
      "fixedVersion": "8.14.1-150600.4.40.1",
      "fix": "SUSE-SU-2026:0885-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-0885-1",
      "released": "2026-03-12T14:50:17Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "sles 15.7",
      "fixedVersion": "8.14.1-150700.7.14.1",
      "fix": "SUSE-SU-2026:0903-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-0903-1",
      "released": "2026-03-17T10:04:47Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "sles 16.0",
      "fixedVersion": "8.14.1-160000.5.1",
      "fix": "SUSE-SU-2026:20918-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-20918-1",
      "released": "2026-03-20T09:37:16Z"
    },
    {
      "platform": "linux",
      "product": "curl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl-mini",
      "release": "sles 16.0",
      "fixedVersion": "8.14.1-160000.5.1",
      "fix": "SUSE-SU-2026:20918-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-20918-1",
      "released": "2026-03-20T09:37:16Z"
    },
    {
      "platform": "linux",
      "product": "curl-minimal",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl-minimal-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl-devel",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl-minimal",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl-minimal-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "8.17.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1699",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1699",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl3t64-gnutls",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "8.14.1-2ubuntu1.2",
      "fix": "libcurl3t64-gnutls 8.14.1-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libcurl3t64-gnutls-8.14.1-2ubuntu1.2",
      "released": "2026-03-11T11:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl4t64",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "8.14.1-2ubuntu1.2",
      "fix": "libcurl4t64 8.14.1-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.2",
      "released": "2026-03-11T11:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}