Description
Use after free in PostgreSQL plperl allows an object creator to execute arbitrary code as the operating system user running the database, via dropping the final reference to a Perl array or hash while PostgreSQL is converting that object. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Published: 2026-11-12
Score: 8.8 High
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 plperl allows an object creator to execute arbitrary code as the operating system user running the database, via dropping the final reference to a Perl array or hash while PostgreSQL is converting that object. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Title PostgreSQL plperl array and hash conversion use-after-free executes arbitrary code
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-11-12T14:15:11.698Z

Reserved: 2026-10-26T03:52:44.052Z

Link: CVE-2026-116320

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-12T15:17:40.430

Modified: 2026-11-12T15:17:40.430

Link: CVE-2026-116320

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses