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CVE-2026-103484

pgvector buffer overflow in IVFFlat index build

IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to arbitrary code execution.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Pgvector
Products
Pgvector
CVE-2026-18022

pgvector buffer overflow via integer wraparound in IVFFlat index build on 32-bit systems

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.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Pgvector Pgvector Project
Products
Pgvector Pgvector
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.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Pgvector
Products
Pgvector