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High 7.5Published Mar 26, 2026
CVE-2026-32286Denial of service in github.com/jackc/pgproto3/v2
Updated under an hour ago ()
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It affects github.com/jackc/pgproto3/v2 and 14 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-125, CWE-1285
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Go
- NVD analysis
- Modified
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
github.com/jackc/pgproto3/v2 github.com/jackc/pgproto3/v2 github.com_jackc_pgproto3_v2:github.com_jackc_pgproto3_v2 (from the name) | before 2.0.0 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux | from 0:165.1-2.el10_2 not affected | CISA ADP |
Red Hat Multicluster Global Hub 1.3.4 redhat:multicluster_globalhub | from 1779210675 not affected | CISA ADP |
Red Hat Red Hat Advanced Cluster Security 4.8 redhat:advanced_cluster_security | from 1777307791 not affected | CISA ADP |
Red Hat Red Hat Quay 3.10 redhat:quay | from 1776736910 not affected | CISA ADP |
Red Hat Assisted Installer for Red Hat OpenShift Container Platform 2 redhat:assisted_installer | 2 | CISA ADP |
Red Hat Multicluster Engine for Kubernetes redhat:multicluster_engine | All versions | CISA ADP |
2 | CISA ADP | |
Red Hat Red Hat Hardened Images redhat:hummingbird | 1 | CISA ADP |
Red Hat Red Hat OpenShift AI (RHOAI) redhat:openshift_ai | All versions | CISA ADP |
Red Hat Red Hat OpenShift Cluster Manager CLI redhat:openshift_cluster_manager_cli | 1 | CISA ADP |
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift | 4 | CISA ADP |
Red Hat Red Hat OpenShift on AWS redhat:openshift_service_on_aws | 1 | CISA ADP |
Red Hat Red Hat Trusted Artifact Signer redhat:trusted_artifact_signer | 1 | CISA ADP |
jackc pgproto3 jackc:pgproto3 | from 2.0.0 through 2.3.3 | NVD |
References
- https://github.com/advisories/GHSA-jqcq-xjh3-6g23third-party-advisory
- https://github.com/jackc/pgx/issues/2507issue-tracking
- https://github.com/golang/vulndb/issues/4518issue-tracking
- https://pkg.go.dev/vuln/GO-2026-4518patch, third-party-advisory
- https://access.redhat.com/errata/RHSA-2026:11070
- https://access.redhat.com/errata/RHSA-2026:11217
- https://access.redhat.com/errata/RHSA-2026:11856
- https://access.redhat.com/errata/RHSA-2026:11916
- https://access.redhat.com/errata/RHSA-2026:11996
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/errata/RHSA-2026:21017
- https://access.redhat.com/errata/RHSA-2026:21769
- https://access.redhat.com/errata/RHSA-2026:22347
- https://access.redhat.com/errata/RHSA-2026:22423
- https://access.redhat.com/errata/RHSA-2026:22450
- https://access.redhat.com/errata/RHSA-2026:22465
- https://access.redhat.com/errata/RHSA-2026:22714
- https://access.redhat.com/errata/RHSA-2026:23345
- https://access.redhat.com/errata/RHSA-2026:24853
- https://access.redhat.com/security/cve/CVE-2026-32286
- https://bugzilla.redhat.com/show_bug.cgi?id=2451847
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32286.json
- https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgxmitigation, third-party-advisory
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The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.