HIGH 7.5 Go
Duplicate Advisory: pgproto3: Negative field length panics in DataRow.Decode
GHSA-x6gf-mpr2-68h6 · CVE-2026-4427
Published · Modified
AI SAST
Find this class of vulnerability in your own code
Corgea's AI-native static analysis detects vulnerabilities like this one across your repositories, ranks them by exploitability, and returns review-ready fixes.
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This advisory has been withdrawn because it is a duplicate of GHSA-jqcq-xjh3-6g23.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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-4427
- WEB 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
- PACKAGE https://github.com/jackc/pgproto3
- WEB https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx
Ready to move
Start Securing
Free, no credit card | First findings in minutes