Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive data from other relations or crash the database server.

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History

Thu, 26 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 26 Feb 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Pgvector
Pgvector pgvector
Vendors & Products Pgvector
Pgvector pgvector

Wed, 25 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Description Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive data from other relations or crash the database server.
Title pgvector buffer overflow in parallel HNSW index build
Weaknesses CWE-191
CWE-787
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-02-26T15:04:08.481Z

Reserved: 2026-02-24T22:42:24.733Z

Link: CVE-2026-3172

cve-icon Vulnrichment

Updated: 2026-02-26T15:03:39.831Z

cve-icon NVD

Status : Received

Published: 2026-02-25T21:16:44.857

Modified: 2026-02-25T21:16:44.857

Link: CVE-2026-3172

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-26T13:14:32Z

Weaknesses