CVE-2026-103484

Publication date 2 October 2026

Last updated 2 October 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
pgvector	26.04 LTS resolute	Needs evaluation
	24.04 LTS noble	Needs evaluation
	22.04 LTS jammy	Not in release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	8.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Other references

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