{
  "cveId": "CVE-2026-40215",
  "url": "https://patchblox.com/security/cve/CVE-2026-40215",
  "summary": "CVE-2026-40215 is fixed in 5 products on 1 platform, first by openvpn 2.5.11-0ubuntu0.22.04.3, released April 22, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "openvpn: A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially...",
  "description": "A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.",
  "published": "2026-04-22T17:00:00Z",
  "severity": "high",
  "cvss": 7.4,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.00372,
  "epssPercentile": 0.31313,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.6.14-0\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-40215",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-40215",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.6.14-1\u002Bdeb13u2",
      "fix": "DEBIAN-CVE-2026-40215",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-40215",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "Debian 14",
      "fixedVersion": "2.7.2-1",
      "fix": "DEBIAN-CVE-2026-40215",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-40215",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.5.11-0ubuntu0.22.04.3",
      "fix": "openvpn 2.5.11-0ubuntu0.22.04.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-openvpn-2.5.11-0ubuntu0.22.04.3",
      "released": "2026-04-22T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.6.19-0ubuntu0.24.04.2",
      "fix": "openvpn 2.6.19-0ubuntu0.24.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-openvpn-2.6.19-0ubuntu0.24.04.2",
      "released": "2026-04-22T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2.6.19-0ubuntu0.25.10.2",
      "fix": "openvpn 2.6.19-0ubuntu0.25.10.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-openvpn-2.6.19-0ubuntu0.25.10.2",
      "released": "2026-04-22T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.7.0-1ubuntu1.1",
      "fix": "openvpn 2.7.0-1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-openvpn-2.7.0-1ubuntu1.1",
      "released": "2026-04-22T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "amzn 2023",
      "fixedVersion": "2.6.12-1.amzn2023.0.4",
      "fix": "ALAS2023-2026-1644",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1644",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.6.10-160000.5.1",
      "fix": "OPENSUSE-SU-2026:22072-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22072-1",
      "released": "2026-11-07T00:47:19Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "sles 15.6",
      "fixedVersion": "2.6.10-150600.3.26.1",
      "fix": "SUSE-SU-2026:3596-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3596-1",
      "released": "2026-08-12T11:37:58Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "sles 15.7",
      "fixedVersion": "2.6.10-150600.3.26.1",
      "fix": "SUSE-SU-2026:3596-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3596-1",
      "released": "2026-08-12T11:37:58Z"
    },
    {
      "platform": "linux",
      "product": "openvpn",
      "release": "sles 16.0",
      "fixedVersion": "2.6.10-160000.5.1",
      "fix": "SUSE-SU-2026:24220-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24220-1",
      "released": "2026-11-07T00:44:01Z"
    },
    {
      "platform": "linux",
      "product": "openvpn-dco",
      "release": "sles 15.6",
      "fixedVersion": "2.6.10-150600.3.26.1",
      "fix": "SUSE-SU-2026:3596-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3596-1",
      "released": "2026-08-12T11:37:58Z"
    },
    {
      "platform": "linux",
      "product": "openvpn-dco",
      "release": "sles 15.7",
      "fixedVersion": "2.6.10-150600.3.26.1",
      "fix": "SUSE-SU-2026:3596-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3596-1",
      "released": "2026-08-12T11:37:58Z"
    },
    {
      "platform": "linux",
      "product": "openvpn-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.6.12-1.amzn2023.0.4",
      "fix": "ALAS2023-2026-1644",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1644",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvpn-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.6.12-1.amzn2023.0.4",
      "fix": "ALAS2023-2026-1644",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1644",
      "released": "2026-05-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvpn-devel",
      "release": "amzn 2023",
      "fixedVersion": "2.6.12-1.amzn2023.0.4",
      "fix": "ALAS2023-2026-1644",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1644",
      "released": "2026-05-11T09:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}