What is GHSA-v5vg-62mg-4ccv?

GHSA-v5vg-62mg-4ccv is a security advisory published by GitHub Security Advisories with High severity. Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to...

Which CVE IDs does GHSA-v5vg-62mg-4ccv cover?

GHSA-v5vg-62mg-4ccv covers the following CVE IDs: CVE-2026-14669. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v5vg-62mg-4ccv?

GHSA-v5vg-62mg-4ccv has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-v5vg-62mg-4ccvHighCVSS 8.8

Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to...

Vendor

GitHub Security Advisories

Published

August 13, 2026

Last Modified

August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-14669 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-14669
https://www.postgresql.org/support/security/CVE-2026-14669
https://github.com/advisories/GHSA-v5vg-62mg-4ccv