GitHub Advisoryadvisory · Go
GHSA-jqcq-xjh3-6g23 Denial of service in github.com/jackc/pgproto3/v2
HIGH
Official page ↗
- Aliases
- CVE-2026-32286
- Ecosystem
- Go
- Packages
- github.com/jackc/pgproto3/v2
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-129
- Reviewed
- 2026-03-18
Affected packages
• Go github.com/jackc/pgproto3/v2: >= 2.0.0, <= 2.3.3 (no fix yet)
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.
Related
Alias · CVE (1)
- CVE-2026-32286 The DataRow.Decode function fails to properly validate field lengths. vulnerability
Weakness · CWE (1)
- CWE-129 Improper Validation of Array Index weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-32286 advisory
- https://github.com/golang/vulndb/issues/4518 web
- https://github.com/jackc/pgx/issues/2507 web
- https://bugzilla.redhat.com/show_bug.cgi?id=2448626 web
- https://github.com/jackc/pgproto3 package
- https://pkg.go.dev/vuln/GO-2026-4518 web
- https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx web