GHSA-x6gf-mpr2-68h6
Duplicate Advisory: pgproto3: Negative field length panics in DataRow.Decode
Withdrawn ·
At a glance
- Published
- Updated
- CVE
- CVE-2026-4427
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-jqcq-xjh3-6g23. This link is maintained to preserve external references. ## Original Description A flaw was found in pgproto3. A malicious or compromised PostgreSQL server can exploit this by sending a DataRow message with a negative field length. This input validation vulnerability can lead to a denial of service (DoS) due to a slice bounds out of range panic.
Affected packages
| Package | Versions |
|---|---|
| Go · github.com/jackc/pgproto3/v2 | introduced 0, last affected 2.3.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4427 ADVISORY
- https://github.com/golang/vulndb/issues/4518 WEB
- https://github.com/jackc/pgx/issues/2507 WEB
- https://access.redhat.com/security/cve/CVE-2026-4427 WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2448626 WEB
- https://github.com/jackc/pgproto3 PACKAGE
- https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |