Is CVE-2026-6575 in the CISA KEV catalog?

No. CVE-2026-6575 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-6575?

CVE-2026-6575 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-6575?

CVE-2026-6575 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6575?

Upgrade postgresql-18 on debian unstable to 18.4-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2026-6575

MEDIUM

4.3

CVSS v3

NVD

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.

CWE-126Buffer Over-read

How to fix

Remediation Available

postgresql-18Debian

Fixed in:18.4-1CVE-2026-6575

postgresql-14Ubuntu

Fixed in:14.23-0ubuntu0.22.04.1USN-8294-1

postgresql-16Ubuntu

Fixed in:16.14-0ubuntu0.24.04.1USN-8294-1

postgresql-17Ubuntu

Fixed in:17.10-0ubuntu0.25.10.1USN-8294-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Patch1

postgresql.org

Embed a live status badge for CVE-2026-6575

Markdown

[![CVE-2026-6575](https://tridentstack.com/cve/badge/CVE-2026-6575.svg)](https://tridentstack.com/cve/CVE-2026-6575)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-6575"><img src="https://tridentstack.com/cve/badge/CVE-2026-6575.svg" alt="CVE-2026-6575"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-18.