CVE-2026-103484 | PostgreSQL pgvector up to 0.8.6 IVFFlat index build memory corruption

October 1, 2026 Yanac

A vulnerability marked as very critical has been reported in PostgreSQL pgvector up to 0.8.6. This issue affects some unknown processing of the component IVFFlat index build. This manipulation causes memory corruption.

This vulnerability is handled as CVE-2026-103484. The attack can be initiated remotely. There is not any exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More