Skip to content
Sign in
8.1 High

CVE-2026-3172 Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive…

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.

Affected products and versions

Product Affected versions Fixed in
pgvector 0.8 0.8.0 → < 0.8.2 0.8.2
pgvector 0.7.0 No fix stated
pgvector 0.6.0 No fix stated

Other CVEs of pgvector

The 3 CVEs of pgvector →
CVE-2026-103484 IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to… 8.8 High CVE-2026-18022 Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds,… 8.8 High
Track this CVE