Denial of service in github.com/jackc/pgproto3/v2
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.
02 / AFFECTED SOFTWARE
Affected packages
15 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
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.
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.
05 / REFERENCES
Further evidence
- https://github.com/advisories/GHSA-jqcq-xjh3-6g23
- https://github.com/golang/vulndb/issues/4518
- https://github.com/jackc/pgx/issues/2507
- https://bugzilla.redhat.com/show_bug.cgi?id=2448626
- https://github.com/jackc/pgproto3
- https://nvd.nist.gov/vuln/detail/CVE-2026-32286
- 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/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://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32286.json
- https://pkg.go.dev
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32286.json