usn-6366-1
Vulnerability from osv_ubuntu
Published
2023-09-13 18:31
Modified
2026-06-25 10:46
Summary
postgresql-9.5 vulnerability
Details

It was discovered that PostgreSQL incorrectly handled certain extension script substitutions. An attacker having database-level CREATE privileges can use this issue to execute arbitrary code as the bootstrap superuser.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-39417",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libecpg-compat3",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "libecpg6",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "libpgtypes3",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "libpq5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-client-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-contrib-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-doc-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-plperl-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-plpython-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-plpython3-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-pltcl-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          },
          {
            "binary_name": "postgresql-server-dev-9.5",
            "binary_version": "9.5.25-0ubuntu0.16.04.1+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "postgresql-9.5",
        "purl": "pkg:deb/ubuntu/postgresql-9.5@9.5.25-0ubuntu0.16.04.1+esm5?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.5.25-0ubuntu0.16.04.1+esm5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.5.0-1",
        "9.5.0-2",
        "9.5.0-3",
        "9.5.1-1",
        "9.5.2-1",
        "9.5.3-0ubuntu0.16.04",
        "9.5.4-0ubuntu0.16.04",
        "9.5.5-0ubuntu0.16.04",
        "9.5.6-0ubuntu0.16.04",
        "9.5.7-0ubuntu0.16.04",
        "9.5.8-0ubuntu0.16.04.1",
        "9.5.9-0ubuntu0.16.04",
        "9.5.10-0ubuntu0.16.04",
        "9.5.11-0ubuntu0.16.04",
        "9.5.12-0ubuntu0.16.04",
        "9.5.13-0ubuntu0.16.04",
        "9.5.14-0ubuntu0.16.04",
        "9.5.16-0ubuntu0.16.04.1",
        "9.5.17-0ubuntu0.16.04.1",
        "9.5.18-0ubuntu0.16.04.1",
        "9.5.19-0ubuntu0.16.04.1",
        "9.5.21-0ubuntu0.16.04.1",
        "9.5.23-0ubuntu0.16.04.1",
        "9.5.24-0ubuntu0.16.04.1",
        "9.5.25-0ubuntu0.16.04.1",
        "9.5.25-0ubuntu0.16.04.1+esm1",
        "9.5.25-0ubuntu0.16.04.1+esm2",
        "9.5.25-0ubuntu0.16.04.1+esm3",
        "9.5.25-0ubuntu0.16.04.1+esm4"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that PostgreSQL incorrectly handled certain extension\nscript substitutions. An attacker having database-level CREATE privileges\ncan use this issue to execute arbitrary code as the bootstrap superuser.\n",
  "id": "USN-6366-1",
  "modified": "2026-06-25T10:46:16Z",
  "published": "2023-09-13T18:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6366-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-39417"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "postgresql-9.5 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-39417"
  ]
}



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