What is GHSA-xgrm-4fwx-7qm8?

GHSA-xgrm-4fwx-7qm8 is a security advisory published by GitHub Security Advisories with Critical severity. pgx contains memory-safety vulnerability

Which CVE IDs does GHSA-xgrm-4fwx-7qm8 cover?

GHSA-xgrm-4fwx-7qm8 covers the following CVE IDs: CVE-2026-33815. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xgrm-4fwx-7qm8?

GHSA-xgrm-4fwx-7qm8 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-xgrm-4fwx-7qm8?

GHSA-xgrm-4fwx-7qm8 affects 1 product, including: go/github.com/jackc/pgx/v5:\u003c 5.9.0.

GHSA-xgrm-4fwx-7qm8CriticalCVSS 9.8

pgx contains memory-safety vulnerability

Vendor

GitHub Security Advisories

Published

April 7, 2026

Last Modified

June 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-33815 →

📋 Description

pgx is a pure Go driver and toolkit for PostgreSQL. pgx prior to v5.9.0 contains a memory-safety vulnerability.

🎯 Affected products1

go/github.com/jackc/pgx/v5:< 5.9.0

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-33815
https://pkg.go.dev/vuln/GO-2026-4771
https://github.com/jackc/pgx/issues/2519
https://github.com/jackc/pgx/issues/2530
https://github.com/jackc/pgx/commit/6dbad4cafdb8a4daab7ff79c858c95da4b6109e8
https://github.com/advisories/GHSA-xgrm-4fwx-7qm8