CVE-2026-32286 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-32286HIGH

github.com/jackc/pgproto3/v2 github.com/jackc/pgproto3/v2 — Denial of service in github.com/jackc/pgproto3/v2

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  N  H    7.5   .0065   48.4     —

AFFECTED
  Product                       Versions     Fixed
  github.com/jackc/pgproto3/v2  unspecified  —

TIMELINE
  Mar 11  Reserved by Go
  Mar 26  Published (CNA: Go)
  Jul 20  EXPLOIT PUBLISHED — CVE-2026-32286 (github.com/jackc/pgproto3/v2). Public exploit reference added.

CWE-1285 · CNA: Go · CVSS v3.1 · 23 references · NVD status: Modified

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 11, 2026	Reserved	Reserved by Go
March 26, 2026	Published	Published (CNA: Go)
July 20, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-32286 (github.com/jackc/pgproto3/v2). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
github.com/jackc/pgproto3/v2	github.com/jackc/pgproto3/v2	—	—	—

Weaknesses

CWE-1285

References (23)

https://access.redhat.com/errata/RHSA-2026:11070 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:11217 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:11856 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:11916 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:11996 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:19375 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:21017 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:21769 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:22347 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:22423 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:22450 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:22465 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:22714 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:23345 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/errata/RHSA-2026:24853 [vendor-advisory, x_refsource_REDHAT]
https://access.redhat.com/security/cve/CVE-2026-32286 [vdb-entry, x_refsource_REDHAT]
https://bugzilla.redhat.com/show_bug.cgi?id=2451847 [issue-tracking, x_refsource_REDHAT]
https://github.com/advisories/GHSA-jqcq-xjh3-6g23
https://github.com/golang/vulndb/issues/4518
https://github.com/jackc/pgx/issues/2507
https://pkg.go.dev/vuln/GO-2026-4518
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32286.json [x_sadp-csaf-vex]
https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx [exploit]

Authoritative record: CVE-2026-32286 at cve.org

Vendors: github.com/jackc/pgproto3/v2

Weaknesses: CWE-1285

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-32286 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.