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pgvector

CVE-2026-18022 is an integer wraparound vulnerability in the IVFFlat index build component of pgvector versions prior to 0.8.6. This flaw allows a database user on 32-bit systems to write data out-of-bounds, potentially leading to arbitrary code execution. The vulnerability has a high severity score of 8.8 and requires low attack complexity with privileges. No official patch or remediation level is currently confirmed.

An integer overflow or wraparound occurs in the IVFFlat index build process of pgvector before version 0.8.6. This vulnerability affects only 32-bit systems and allows a database user to write data out-of-bounds, which could lead to arbitrary code execution. The CVSS 3.1 score is 8.8, indicating high impact on confidentiality, integrity, and availability. There is no vendor advisory or patch link provided, and the remediation level is not specified.

Detailed information about CVE-2026-18022: Integer Overflow or Wraparound in pgvector affecting null pgvector. Get real-time updates, technical details, and mit

CVE-2026-18022: Integer Overflow or Wraparound in pgvector - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-18022: Integer Overflow or Wraparound in pgvector

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.

CVE-2026-3172 is a vulnerability identified in the pgvector extension for PostgreSQL, specifically affecting versions 0.6.0 through 0.8.1. The issue arises from an integer underflow or wraparound condition during the parallel construction of the Hierarchical Navigable Small World (HNSW) index, a data structure used for efficient vector similarity searches. This integer underflow leads to a buffer overflow, which can be exploited by a database user with limited privileges to read sensitive data from other database relations that they should not have access to, violating confidentiality. Additionally, the overflow can cause the PostgreSQL server to crash, impacting availability. The vulnerability does not require user interaction but does require some level of database privileges (PR:L). The CVSS v3.1 score is 8.1, reflecting high severity due to the network attack vector, low attack complexity, and high impact on confidentiality and availability. No known exploits have been reported in the wild yet. The vulnerability is critical for organizations using pgvector for vector similarity search workloads, especially in AI, machine learning, and data analytics applications built on PostgreSQL. Since pgvector is an open-source extension, patching or upgrading to a fixed version once available is essential. Until patches are released, organizations should consider restricting access to pgvector features and monitoring database activity for anomalous behavior during index builds.

Detailed information about CVE-2026-3172: Integer Underflow or Wraparound in pgvector affecting null pgvector. Get real-time updates, technical details, and mit

CVE-2026-3172: Integer Underflow or Wraparound in pgvector - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-3172: Integer Underflow or Wraparound in pgvector


CVE-2026-18022: Integer Overflow or Wraparound in pgvectorCVE-2026-18022 0 CVE-2026-18022 is an integer wraparound vulnerability in the IVFFlat index build component of pgvector versions prior to 0.8.6. This flaw allows a database user on 32-bit systems to write data out-of-bounds, potentially leading to arbitrary code execution. The vulnerability has a high severity score of 8.8 and requires low attack complexity with privileges. No official patch or remediation level is currently confirmed. HighVulnerability#cve #cve-2026-18022 #gcve Join the discussion	CVE Database V5	07/29/2026, 18:55:54 UTC Added: 07/29/2026, 19:23:01 UTC
CVE-2026-3172: Integer Underflow or Wraparound in pgvectorCVE-2026-3172 0 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. HighVulnerabilityUnited StatesGermanyUnited Kingdom+8#cve #cve-2026-3172 Join the discussion	CVE Database V5	02/25/2026, 20:59:10 UTC Added: 02/25/2026, 21:35:09 UTC

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