{
  "fix": "RHSA-2026:55800",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-55800",
  "summary": "RHSA-2026:55800, released June 18, 2026, fixes 2 CVEs in haproxy (version 3.0.5-4.el10_0.3). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "haproxy security update",
  "released": "2026-06-18T16:05:52Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-55204, high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00484,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:55800",
  "appliesTo": [
    {
      "product": "haproxy",
      "productUrl": "https://patchblox.com/security/product/linux/haproxy",
      "release": "RHEL 10",
      "fixedVersion": "3.0.5-4.el10_0.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-55204",
      "url": "https://patchblox.com/security/cve/CVE-2026-55204",
      "title": "HAProxy - NULL Pointer Dereference in hpack_dht_insert Function",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00484,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-55203",
      "url": "https://patchblox.com/security/cve/CVE-2026-55203",
      "title": "HAProxy - Integer Overflow in FCGI Demux Record Length Field",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00334,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}