CVE-2026-32286
High
Description
The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.
SeverityHigh
CVSS7.5
Exploit probability—
ProductJackc Pgproto3
PublishedMar 26, 2026
First seenMar 26, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Vendor advisories
- access.redhat.com/errata/RHSA-2026:22450
- access.redhat.com/errata/RHSA-2026:22714
- access.redhat.com/errata/RHSA-2026:22423
- access.redhat.com/errata/RHSA-2026:22347
- access.redhat.com/errata/RHSA-2026:23345
- access.redhat.com/errata/RHSA-2026:11070
- access.redhat.com/errata/RHSA-2026:11217
- access.redhat.com/errata/RHSA-2026:11916
- access.redhat.com/errata/RHSA-2026:11856
- access.redhat.com/errata/RHSA-2026:21017
- access.redhat.com/errata/RHSA-2026:24853
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jackc pgproto3 | 2.0.0 ≤ v ≤ 2.3.3 | — |
| github.com/jackc/pgproto3/v2Go | 2.0.0 ≤ v ≤ 2.3.3, 2.0.0 ≤ v | — |
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