CVE-2026-3172

HIGH EPSS 17.7%

Published Feb 25, 20264mo ago · Modified Jun 17, 20262w ago

8.1 CVSS 3.1

High

Published Feb 25, 2026 4mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

8.1

Exploitability

2.8

Impact

5.2

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality High

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

17.7% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-191

CWE-787 Out-of-bounds Write Memory Safety

References 1

github.com https://github.com/pgvector/pgvector/issues/959

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.