Description
Use after free in PostgreSQL pg_show_all_settings() allows a database user to retrieve memory contents, via loading a module while the function is scanning custom-variable placeholders that the module replaces and frees. Within major versions 16-18, minor versions before PostgreSQL 18.7, 17.12, and 16.16 are affected. Versions before PostgreSQL 16 are unaffected.
Published: 2026-11-12
Score: 4.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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History

Thu, 12 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
Description Use after free in PostgreSQL pg_show_all_settings() allows a database user to retrieve memory contents, via loading a module while the function is scanning custom-variable placeholders that the module replaces and frees. Within major versions 16-18, minor versions before PostgreSQL 18.7, 17.12, and 16.16 are affected. Versions before PostgreSQL 16 are unaffected.
Title PostgreSQL pg_show_all_settings() use-after-free discloses memory
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-11-12T14:15:28.444Z

Reserved: 2026-10-30T22:45:08.383Z

Link: CVE-2026-120152

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-12T15:17:43.940

Modified: 2026-11-12T15:17:43.940

Link: CVE-2026-120152

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses