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DEBIAN-CVE-2026-16238

Type: advisorySource: OSV1 source record

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-16238

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-16238

postgresql-18

Source reference: /affected/0/package/name

Affected versions
18.0-1

Source reference: /affected/0/versions

18.1-1

Source reference: /affected/0/versions

18.1-2

Source reference: /affected/0/versions

18.2-1

Source reference: /affected/0/versions

18.3-1

Source reference: /affected/0/versions

18.4-1

Source reference: /affected/0/versions

18~beta1+20250612-1

Source reference: /affected/0/versions

18~beta1+20250624-1

Source reference: /affected/0/versions

18~beta1+20250701-1

Source reference: /affected/0/versions

18~beta1-1

Source reference: /affected/0/versions

18~beta2-1

Source reference: /affected/0/versions

18~beta3-1

Source reference: /affected/0/versions

18~rc1-1

Source reference: /affected/0/versions

18~rc1-2

Source reference: /affected/0/versions

18~rc1-3

Source reference: /affected/0/versions

18~~devel.20250318+g4078da6c478-1

Source reference: /affected/0/versions

18~~devel.20250331-1

Source reference: /affected/0/versions

18~~devel.20250405-1

Source reference: /affected/0/versions

18~~devel.20250421-1

Source reference: /affected/0/versions

18~~devel.20250502-1

Source reference: /affected/0/versions

Fixed versions
18.6-1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "18.6-1"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql-18",
      "purl": "pkg:deb/debian/postgresql-18?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "18.0-1",
      "18.1-1",
      "18.1-2",
      "18.2-1",
      "18.3-1",
      "18.4-1",
      "18~beta1+20250612-1",
      "18~beta1+20250624-1",
      "18~beta1+20250701-1",
      "18~beta1-1",
      "18~beta2-1",
      "18~beta3-1",
      "18~rc1-1",
      "18~rc1-2",
      "18~rc1-3",
      "18~~devel.20250318+g4078da6c478-1",
      "18~~devel.20250331-1",
      "18~~devel.20250405-1",
      "18~~devel.20250421-1",
      "18~~devel.20250502-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-16238.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#55548 · Revision 1
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Publisher date
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