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HIGHCVE-2026-3172Published Modified CNA PostgreSQL

CVE-2026-3172: pgvector buffer overflow in parallel HNSW index build

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.

Metrics

CVSS v3.1
8.1
Severity
HIGH
Fixed in
0.8.2
Affected Products
1

Fix available

0.8.2
Affected packages
  • n/a / pgvector
    < 0.8.2 (from 0.8.0) · 0.7.0 · 0.6.0
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
References