CVE-2026-103484

CVE Details

Release Date:	2026-10-01
Impact:	Important	What is this?

Description

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.

See more information about CVE-2026-103484 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	8.8
Vector String:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.1
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (pg_repack)	ELSA-2026-85791	2026-10-20
Oracle Linux version 9 (pgaudit)	ELSA-2026-85791	2026-10-20
Oracle Linux version 9 (pgvector)	ELSA-2026-85791	2026-10-20
Oracle Linux version 9 (postgis)	ELSA-2026-85791	2026-10-20
Oracle Linux version 9 (postgres-decoderbufs)	ELSA-2026-85791	2026-10-20
Oracle Linux version 9 (postgresql)	ELSA-2026-85791	2026-10-20