{
  "cveId": "CVE-2026-4427",
  "url": "https://patchblox.com/security/cve/CVE-2026-4427",
  "summary": "CVE-2026-4427 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2026-4427, released March 19, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "golang-github-jackc-pgproto3: A flaw was found in pgproto3",
  "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.",
  "published": "2026-03-19T15:16:28Z",
  "severity": "high",
  "cvss": 9.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "alloy",
      "release": "sles 15.7",
      "fixedVersion": "1.16.1-150700.15.20.1",
      "fix": "SUSE-SU-2026:2438-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2438-1",
      "released": "2026-06-17T14:45:01Z"
    },
    {
      "platform": "linux",
      "product": "golang-github-jackc-pgproto3",
      "release": "Debian 14",
      "fixedVersion": "2.3.3-2",
      "fix": "DEBIAN-CVE-2026-4427",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-4427",
      "released": "2026-03-19T15:16:28Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer",
      "release": "RHEL 9",
      "fixedVersion": "0:165.1-2.el9_8",
      "fix": "RHSA-2026:22714",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-22714",
      "released": "2026-06-24T14:09:17Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer",
      "release": "ol 10",
      "fixedVersion": "0:176-1.0.1.el10_2",
      "fix": "ELSA-2026-22450",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-22450",
      "released": "2026-08-13T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer",
      "release": "ol 9",
      "fixedVersion": "0:175-1.0.1.el9_8",
      "fix": "ELSA-2026-22714",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-22714",
      "released": "2026-08-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer",
      "release": "rocky 10",
      "fixedVersion": "0:165.1-2.el10_2.rocky.0.1",
      "fix": "RLSA-2026:22450",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-22450",
      "released": "2026-06-05T12:04:50Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer",
      "release": "rocky 9",
      "fixedVersion": "0:165.1-2.el9_8.rocky.0.1",
      "fix": "RLSA-2026:22714",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-22714",
      "released": "2026-06-11T12:03:24Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer-core",
      "release": "RHEL 9",
      "fixedVersion": "0:165.1-2.el9_8",
      "fix": "RHSA-2026:22714",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-22714",
      "released": "2026-06-24T14:09:17Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer-core",
      "release": "ol 10",
      "fixedVersion": "0:176-1.0.1.el10_2",
      "fix": "ELSA-2026-22450",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-22450",
      "released": "2026-08-13T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer-core",
      "release": "ol 9",
      "fixedVersion": "0:175-1.0.1.el9_8",
      "fix": "ELSA-2026-22714",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-22714",
      "released": "2026-08-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer-worker",
      "release": "RHEL 9",
      "fixedVersion": "0:165.1-2.el9_8",
      "fix": "RHSA-2026:22714",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-22714",
      "released": "2026-06-24T14:09:17Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer-worker",
      "release": "ol 10",
      "fixedVersion": "0:176-1.0.1.el10_2",
      "fix": "ELSA-2026-22450",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-22450",
      "released": "2026-08-13T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "osbuild-composer-worker",
      "release": "ol 9",
      "fixedVersion": "0:175-1.0.1.el9_8",
      "fix": "ELSA-2026-22714",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-22714",
      "released": "2026-08-05T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}