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ALPINE-CVE-2026-6474

Type: advisorySource: OSV1 source record

Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

Announced Group revision 1
Original source ↗

ALPINE-CVE-2026-6474

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:ALPINE-CVE-2026-6474

postgresql15

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
15.18-r0

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

postgresql16

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
16.14-r0

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

postgresql16

Source reference: /affected/2/package/name

Affected versions
Not stated in this record
Fixed versions
16.14-r0

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

postgresql16

Source reference: /affected/3/package/name

Affected versions
Not stated in this record
Fixed versions
16.14-r0

Source reference: /affected/3/ranges

Prerequisites
Not stated in this record

postgresql17

Source reference: /affected/4/package/name

Affected versions
Not stated in this record
Fixed versions
17.10-r0

Source reference: /affected/4/ranges

Prerequisites
Not stated in this record

postgresql17

Source reference: /affected/5/package/name

Affected versions
Not stated in this record
Fixed versions
17.10-r0

Source reference: /affected/5/ranges

Prerequisites
Not stated in this record

postgresql17

Source reference: /affected/6/package/name

Affected versions
Not stated in this record
Fixed versions
17.10-r0

Source reference: /affected/6/ranges

Prerequisites
Not stated in this record

postgresql17

Source reference: /affected/7/package/name

Affected versions
Not stated in this record
Fixed versions
17.10-r0

Source reference: /affected/7/ranges

Prerequisites
Not stated in this record

postgresql18

Source reference: /affected/8/package/name

Affected versions
Not stated in this record
Fixed versions
18.4-r0

Source reference: /affected/8/ranges

Prerequisites
Not stated in this record

postgresql18

Source reference: /affected/9/package/name

Affected versions
Not stated in this record
Fixed versions
18.4-r0

Source reference: /affected/9/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": "15.18-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql15",
      "purl": "pkg:apk/alpine/postgresql15?arch=source",
      "ecosystem": "Alpine:v3.20"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "16.14-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql16",
      "purl": "pkg:apk/alpine/postgresql16?arch=source",
      "ecosystem": "Alpine:v3.20"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "16.14-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql16",
      "purl": "pkg:apk/alpine/postgresql16?arch=source",
      "ecosystem": "Alpine:v3.21"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "16.14-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql16",
      "purl": "pkg:apk/alpine/postgresql16?arch=source",
      "ecosystem": "Alpine:v3.22"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "17.10-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql17",
      "purl": "pkg:apk/alpine/postgresql17?arch=source",
      "ecosystem": "Alpine:v3.21"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "17.10-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql17",
      "purl": "pkg:apk/alpine/postgresql17?arch=source",
      "ecosystem": "Alpine:v3.22"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "17.10-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql17",
      "purl": "pkg:apk/alpine/postgresql17?arch=source",
      "ecosystem": "Alpine:v3.23"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "17.10-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql17",
      "purl": "pkg:apk/alpine/postgresql17?arch=source",
      "ecosystem": "Alpine:v3.24"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "18.4-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql18",
      "purl": "pkg:apk/alpine/postgresql18?arch=source",
      "ecosystem": "Alpine:v3.23"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "18.4-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "postgresql18",
      "purl": "pkg:apk/alpine/postgresql18?arch=source",
      "ecosystem": "Alpine:v3.24"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6474.json"
    },
    "ecosystem_specific": {}
  }
]

Publisher severity

No explicit severity was provided.

Event
#54624 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. ALPINE-CVE-2026-6474 · Revision 1Source updated