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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
github.com/jackc/pgproto3/v2 github.com/jackc/pgproto3/v2
Default version status: affected
0 to < 2.0.0unaffected
References
- https://github.com/advisories/GHSA-jqcq-xjh3-6g23 ↗
- https://github.com/jackc/pgx/issues/2507 ↗
- https://github.com/golang/vulndb/issues/4518 ↗
- https://pkg.go.dev/vuln/GO-2026-4518 ↗
- https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx ↗
- 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://access.redhat.com/errata/RHSA-2026:22450 ↗
- https://access.redhat.com/errata/RHSA-2026:22714 ↗
- https://access.redhat.com/errata/RHSA-2026:22423 ↗
- https://access.redhat.com/errata/RHSA-2026:22347 ↗
- https://access.redhat.com/errata/RHSA-2026:23345 ↗
- https://access.redhat.com/errata/RHSA-2026:11070 ↗
- https://access.redhat.com/errata/RHSA-2026:11217 ↗
- https://access.redhat.com/errata/RHSA-2026:11916 ↗
- https://access.redhat.com/errata/RHSA-2026:11856 ↗
- https://access.redhat.com/errata/RHSA-2026:21017 ↗
- https://access.redhat.com/errata/RHSA-2026:24853 ↗
- https://access.redhat.com/errata/RHSA-2026:19375 ↗
- https://access.redhat.com/errata/RHSA-2026:22465 ↗
- https://access.redhat.com/errata/RHSA-2026:11996 ↗
- https://access.redhat.com/errata/RHSA-2026:21769 ↗