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HighFix available

DEBIAN-CVE-2026-18022

Type: advisorySource: OSV1 source record

Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds, which could lead to arbitrary code execution. Only 32-bit systems are affected.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-18022

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-2026-18022

pgvector

Source reference: /affected/0/package/name

Affected versions
0.8.0-1

Source reference: /affected/0/versions

0.8.1-1

Source reference: /affected/0/versions

0.8.1-2

Source reference: /affected/0/versions

0.8.2-1

Source reference: /affected/0/versions

0.8.3-1

Source reference: /affected/0/versions

0.8.4-1

Source reference: /affected/0/versions

0.8.5-1

Source reference: /affected/0/versions

0.8.6-1

Source reference: /affected/0/versions

0.8.7-1

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

pgvector

Source reference: /affected/1/package/name

Affected versions
0.8.0-1

Source reference: /affected/1/versions

0.8.1-1

Source reference: /affected/1/versions

0.8.1-2

Source reference: /affected/1/versions

0.8.2-1

Source reference: /affected/1/versions

0.8.3-1

Source reference: /affected/1/versions

0.8.4-1

Source reference: /affected/1/versions

0.8.5-1

Source reference: /affected/1/versions

Fixed versions
0.8.6-1

Source reference: /affected/1/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"
          }
        ]
      }
    ],
    "package": {
      "name": "pgvector",
      "purl": "pkg:deb/debian/pgvector?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "0.8.0-1",
      "0.8.1-1",
      "0.8.1-2",
      "0.8.2-1",
      "0.8.3-1",
      "0.8.4-1",
      "0.8.5-1",
      "0.8.6-1",
      "0.8.7-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-18022.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.8.6-1"
          }
        ]
      }
    ],
    "package": {
      "name": "pgvector",
      "purl": "pkg:deb/debian/pgvector?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "0.8.0-1",
      "0.8.1-1",
      "0.8.1-2",
      "0.8.2-1",
      "0.8.3-1",
      "0.8.4-1",
      "0.8.5-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-18022.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  }
]
Related CVEs
CVE-2026-18022

Source reference: /upstream

Publisher severity

high

Source reference: /severity/0/score

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-18022 · High

pgvector

Event
#71352 · Revision 1
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Publisher date
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