{
  "cveId": "CVE-2017-18926",
  "url": "https://patchblox.com/security/cve/CVE-2017-18926",
  "summary": "CVE-2017-18926 is fixed in 4 products on 1 platform, first by libraptor2-0 2.0.14-1ubuntu0.18.04.1, released November 6, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libraptor2-0: raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDFSyntax Library 2.0.15 miscalculates the ma...",
  "description": "raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDFSyntax Library 2.0.15 miscalculates the maximum nspace declarations for theXML writer, leading to heap-based buffer overflows (sometimes seen inraptor_qname_format_as_xml).",
  "published": "2020-11-06T10:15:00Z",
  "severity": "Medium",
  "cvss": 7.1,
  "epss": 0.03117,
  "epssPercentile": 0.87876,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libraptor2-0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.0.14-1ubuntu0.18.04.1",
      "fix": "libraptor2-0 2.0.14-1ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libraptor2-0-2.0.14-1ubuntu0.18.04.1",
      "released": "2020-11-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libraptor2-0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.0.15-0ubuntu1.20.04.1",
      "fix": "libraptor2-0 2.0.15-0ubuntu1.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libraptor2-0-2.0.15-0ubuntu1.20.04.1",
      "released": "2020-11-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libraptor2-0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.0.15-0ubuntu2",
      "fix": "libraptor2-0 2.0.15-0ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libraptor2-0-2.0.15-0ubuntu2",
      "released": "2020-11-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libraptor2-0",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.0.15-0ubuntu2",
      "fix": "libraptor2-0 2.0.15-0ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libraptor2-0-2.0.15-0ubuntu2",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libraptor2-0",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.0.15-0ubuntu2",
      "fix": "libraptor2-0 2.0.15-0ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libraptor2-0-2.0.15-0ubuntu2",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "raptor2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.0.15-16.el8",
      "fix": "RHSA-2021:1842",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1842",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "raptor2",
      "release": "ol 8",
      "fixedVersion": "0:2.0.15-16.el8",
      "fix": "ELSA-2021-1842",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1842",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "raptor2-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.0.15-16.el8",
      "fix": "RHSA-2021:1842",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1842",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "raptor2-devel",
      "release": "ol 8",
      "fixedVersion": "0:2.0.15-16.el8",
      "fix": "ELSA-2021-1842",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1842",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "raptor2-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.0.14-1ubuntu0.18.04.1",
      "fix": "raptor2-utils 2.0.14-1ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-raptor2-utils-2.0.14-1ubuntu0.18.04.1",
      "released": "2020-11-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "raptor2-utils",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.0.15-0ubuntu1.20.04.1",
      "fix": "raptor2-utils 2.0.15-0ubuntu1.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-raptor2-utils-2.0.15-0ubuntu1.20.04.1",
      "released": "2020-11-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "raptor2-utils",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.0.15-0ubuntu2",
      "fix": "raptor2-utils 2.0.15-0ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-raptor2-utils-2.0.15-0ubuntu2",
      "released": "2020-11-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "raptor2-utils",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.0.15-0ubuntu2",
      "fix": "raptor2-utils 2.0.15-0ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-raptor2-utils-2.0.15-0ubuntu2",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "raptor2-utils",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.0.15-0ubuntu2",
      "fix": "raptor2-utils 2.0.15-0ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-raptor2-utils-2.0.15-0ubuntu2",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}