pgvector 0.8.2 is now available. This release fixes a buffer overflow with parallel HNSW index builds (CVE-2026-3172), which can leak sensitive data from other relations or crash the database server. Users are encouraged to upgrade when possible. More details: https://github.com/pgvector/pgvector/issues/959 pgvector is an open-source PostgreSQL extension that provides vector similarity search capabilities.