CVE-2026-14670 HIGH

CVE-2026-14670: PostgreSQL plperl tied object heap buffer overflow executes arbitrary code

Vendor N/A
Product PostgreSQL
Weakness CWE-122
Published August 13, 2026
Last update August 13, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 13, 2026 CVE published
August 13, 2026 Record updated