CVE-2026-32286

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/advisories/GHSA-jqcq-xjh3-6g23	Third Party Advisory
https://github.com/golang/vulndb/issues/4518	Issue Tracking
https://github.com/jackc/pgx/issues/2507	Issue Tracking
https://pkg.go.dev/vuln/GO-2026-4518	Patch 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-pgx	Mitigation Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:jackc:pgproto3:*:*:*:*:*:go:*:*

History

No history.

Information

Published : 2026-03-26 20:16

Updated : 2026-09-10 13:18

NVD link : CVE-2026-32286

Mitre link : CVE-2026-32286

CVE.ORG link : CVE-2026-32286

JSON object : View

Products Affected

jackc

pgproto3

CWE

CWE-129

Improper Validation of Array Index

CWE-1285

Improper Validation of Specified Index, Position, or Offset in Input

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Advisory"], "source": "security@golang.org"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11070", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11217", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11856", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11916", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11996", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:19375", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:21017", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:21769", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22347", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22423", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22450", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22465", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22714", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:23345", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:24853", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-32286", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451847", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32286.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx", "tags": ["Mitigation", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-129"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-1285"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "La funci\u00f3n DataRow.Decode no valida correctamente las longitudes de los campos. Un servidor PostgreSQL malicioso o comprometido puede enviar un mensaje DataRow con una longitud de campo negativa, causando un p\u00e1nico de desbordamiento de l\u00edmites de slice."}], "lastModified": "2026-09-10T13:18:08.907", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jackc:pgproto3:*:*:*:*:*:go:*:*", "vulnerable": true, "matchCriteriaId": "C7421789-D5FC-421F-A35D-B5B66FFAC4B3", "versionEndIncluding": "2.3.3", "versionStartIncluding": "2.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@golang.org"}