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CVE-2026-6575

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

MEDIUM
4.3
CVSS Score
Published: May 14, 2026 at 01:00 PM UTC
Updated: June 17, 2026 at 11:01 AM UTC
1 product affected across 1 vendorPostgreSQL

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PostgreSQL· PostgreSQL
95%
18 ≤ v < 18.418.0 ≤ v < 18.418
Affected range stops below 18.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

PatchVendor Advisory
Source: cverecord
https://www.postgresql.org/support/security/CVE-2026-6575/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMPostgreSQL
Vector?

Quick Info

StatusANALYZED
CWE
CWE-126

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