CVE-2026-33816
Critical
Description
Memory-safety vulnerability in github.com/jackc/pgx/v5.
SeverityCritical
CVSS9.8
Exploit probability—
ProductGithub.com/jackc/pgx/v5
PublishedApr 7, 2026
First seenApr 7, 2026
Weakness typeCWE-697CWE-697
How to fix
Update
- github.com/jackc/pgx/v55.9.0 or later
- jackc pgx5.9.0 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2026:41019
- access.redhat.com/errata/RHSA-2026:17789
- access.redhat.com/errata/RHSA-2026:36796
- access.redhat.com/errata/RHSA-2026:19137
- access.redhat.com/errata/RHSA-2026:26636
- access.redhat.com/errata/RHSA-2026:62866
- access.redhat.com/errata/RHSA-2026:22423
- access.redhat.com/errata/RHSA-2026:24503
- access.redhat.com/errata/RHSA-2026:24539
- access.redhat.com/errata/RHSA-2026:25273
- access.redhat.com/errata/RHSA-2026:11070
- access.redhat.com/errata/RHSA-2026:11217
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/jackc/pgx/v5Go | v < 5.9.0 | 5.9.0 |
| jackc pgx | v < 5.9.0 | 5.9.0 |
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