{
"id": "GHSA-x6gf-mpr2-68h6",
"aliases": [
"CVE-2026-4427"
],
"details": "## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-jqcq-xjh3-6g23. This link is maintained to preserve external references.\n\n## Original Description\nA 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.",
"summary": "Duplicate Advisory: pgproto3: Negative field length panics in DataRow.Decode",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.3.3"
}
]
}
],
"package": {
"name": "github.com/jackc/pgproto3/v2",
"ecosystem": "Go"
}
}
],
"modified": "2026-03-30T21:09:40Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"published": "2026-03-19T15:31:22Z",
"withdrawn": "2026-03-30T21:09:40Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4427",
"type": "ADVISORY"
},
{
"url": "https://github.com/golang/vulndb/issues/4518",
"type": "WEB"
},
{
"url": "https://github.com/jackc/pgx/issues/2507",
"type": "WEB"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-4427",
"type": "WEB"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448626",
"type": "WEB"
},
{
"url": "https://github.com/jackc/pgproto3",
"type": "PACKAGE"
},
{
"url": "https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-129"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-03-19T15:16:28Z",
"github_reviewed_at": "2026-03-19T19:34:28Z"
}
}