GO-2026-4518

See a problem?
Please try reporting it to the source first.
Source
https://pkg.go.dev/vuln/GO-2026-4518
Import Source
https://vuln.go.dev/ID/GO-2026-4518.json
JSON Data
https://api.osv.dev/v1/vulns/GO-2026-4518
Aliases
Related
Published
2026-03-16T20:27:13Z
Modified
2026-04-02T21:19:57.026952Z
Summary
Denial of service in github.com/jackc/pgproto3/v2
Details

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.

Database specific 
{
    "review_status": "REVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-4518"
}
References

Affected packages

Go / github.com/jackc/pgproto3/v2

Package

Name
github.com/jackc/pgproto3/v2
View open source insights on deps.dev
Purl
pkg:golang/github.com/jackc/pgproto3/v2

Affected ranges

Type
SEMVER
Events
Introduced
2.0.0

Ecosystem specific 

{
    "imports": [
        {
            "symbols": [
                "DataRow.Decode",
                "Frontend.Receive"
            ],
            "path": "github.com/jackc/pgproto3/v2"
        }
    ]
}

Database specific

source 
"https://vuln.go.dev/ID/GO-2026-4518.json"