CVE-2026-6575

MEDIUM

PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read past end of stats array

Title source: cna

Description

Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL 18.4 are affected. Versions before PostgreSQL 18 are unaffected.

References (1)

Core 1

Core References

https://www.postgresql.org/support/security/CVE-2026-6575/

Scores

CVSS v3 4.3

EPSS 0.0003

EPSS Percentile 9.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-126

Status published

Products (2)

None/PostgreSQL 18 - 18.4

postgresql/postgresql 18.0 - 18.4

Published May 14, 2026

Tracked Since May 14, 2026