Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4740-1 postgresql-15 security update
Debian DSA Debian DSA DSA-6438-1 postgresql-17 security update
Ubuntu USN Ubuntu USN USN-8653-1 PostgreSQL vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 29 Aug 2026 23:15:00 +0000

Type Values Removed Values Added
Description Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected. Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Wed, 19 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*

Thu, 13 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 13 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Postgresql
Postgresql postgresql
Vendors & Products Postgresql
Postgresql postgresql

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

Type Values Removed Values Added
Description Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Title PostgreSQL plperl tied object heap buffer overflow executes arbitrary code
Weaknesses CWE-122
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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-08-29T23:07:16.457Z

Reserved: 2026-07-03T20:28:12.637Z

Link: CVE-2026-14670

cve-icon Vulnrichment

Updated: 2026-08-13T15:35:36.389Z

cve-icon NVD

Status : Modified

Published: 2026-08-13T13:17:44.407

Modified: 2026-08-29T23:17:13.697

Link: CVE-2026-14670

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-30T00:30:06Z

Weaknesses