USN-7465-1 (UBUNTU-CVE-2018-16848)

Vulnerability from osv_ubuntu – Published: 2025-04-28 12:07 – Updated: 2026-06-25 10:46 – Source website
VLAI
Summary
mistral, python-mistral-lib vulnerabilities
Details

It was discovered that Mistral incorrectly handled nested anchors in YAML files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-16848)

Pierre Gaxatte discovered that Mistral incorrectly handled erroneous SSH private key filename commands. An attacker could possibly use this issue to expose sensitive information. (CVE-2018-16849)

It was discovered that Mistral incorrectly handled the permissions of sensitive log files. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-3866)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-16849",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "mistral-api",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          },
          {
            "binary_name": "mistral-common",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          },
          {
            "binary_name": "mistral-executor",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          },
          {
            "binary_name": "python-mistral",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "mistral",
        "purl": "pkg:deb/ubuntu/mistral@2.0.0-1ubuntu2+esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0-1ubuntu2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0-1",
        "1.0.0-4",
        "2.0.0~b3-3",
        "2.0.0~rc1-1",
        "2.0.0~rc2-1",
        "2.0.0-1",
        "2.0.0-1ubuntu2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-16848",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16849",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-3866",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "mistral-api",
            "binary_version": "6.0.0-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "mistral-common",
            "binary_version": "6.0.0-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "6.0.0-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "mistral-event-engine",
            "binary_version": "6.0.0-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "mistral-executor",
            "binary_version": "6.0.0-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "python-mistral",
            "binary_version": "6.0.0-0ubuntu1.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "mistral",
        "purl": "pkg:deb/ubuntu/mistral@6.0.0-0ubuntu1.1+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.0-0ubuntu1.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.0.0-0ubuntu1",
        "6.0.0~b1-0ubuntu1",
        "6.0.0~b1-0ubuntu2",
        "6.0.0~b2-0ubuntu1",
        "6.0.0~rc1-0ubuntu1",
        "6.0.0-0ubuntu1",
        "6.0.0-0ubuntu1.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-16848",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16849",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-3866",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "python-mistral-lib",
            "binary_version": "0.4.0-0ubuntu1+esm1"
          },
          {
            "binary_name": "python3-mistral-lib",
            "binary_version": "0.4.0-0ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "python-mistral-lib",
        "purl": "pkg:deb/ubuntu/python-mistral-lib@0.4.0-0ubuntu1+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.0-0ubuntu1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.2.0-0ubuntu2",
        "0.3.2-0ubuntu1",
        "0.3.3-0ubuntu1",
        "0.4.0-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Mistral incorrectly handled nested anchors in YAML\nfiles. An attacker could possibly use this issue to cause a denial of\nservice. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-16848)\n\nPierre Gaxatte discovered that Mistral incorrectly handled erroneous SSH\nprivate key filename commands. An attacker could possibly use this issue to\nexpose sensitive information. (CVE-2018-16849)\n\nIt was discovered that Mistral incorrectly handled the permissions of\nsensitive log files. An attacker could possibly use this issue to expose\nsensitive information. This issue only affected Ubuntu 18.04 LTS.\n(CVE-2019-3866)\n",
  "id": "USN-7465-1",
  "modified": "2026-06-25T10:46:47Z",
  "published": "2025-04-28T12:07:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7465-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16848"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16849"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-3866"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "mistral, python-mistral-lib vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-16848",
    "UBUNTU-CVE-2018-16849",
    "UBUNTU-CVE-2019-3866"
  ]
}



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