CVE-2026-14669

HIGH

CVE: CVE-2026-14669 - Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating...Sign in to save

CVSS

8.8

CVSS v3.1

EPSS

N/A

Exploit Prediction Score

Published

August 13, 2026

Exploitability

No EPSS data available

Description

Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Weaknesses

CWE-122

Affected Packages

No package data available.

Aliases

CVE-2026-14669

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://www.postgresql.org/support/security/CVE-2026-14669/