Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input. While the calculation loses precision, substantial memory value recovery appears possible. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a PostgreSQL unaffected
Version Status Constraints
18 affected < 18.5
17 affected < 17.11
16 affected < 16.15
15 affected < 15.19
0 affected < 14.24

No data.

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.postgresql.org/support/security/CVE-2026-14668/ cve-icon cve-icon
History

Thu, 13 Aug 2026 13:15:00 +0000

Type Values Removed Values Added
Description Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input. While the calculation loses precision, substantial memory value recovery appears possible. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Title PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read
Weaknesses CWE-843
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-08-13T13:00:04.405Z

Reserved: 2026-07-03T20:28:11.432Z

Link: CVE-2026-14668

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-13T13:17:44.137

Modified: 2026-08-13T13:17:44.137

Link: CVE-2026-14668

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses