{
  "fix": "RHSA-2026:55804",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-55804",
  "summary": "RHSA-2026:55804, released August 19, 2026, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: Routine.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 3 packages",
  "released": "2026-08-19T23:17:39Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes CVE-2026-58055",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00253,
  "maxCvss": 5.4,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:55804",
  "appliesTo": [
    {
      "product": "libnghttp2",
      "productUrl": "https://patchblox.com/security/product/linux/libnghttp2",
      "release": "RHEL 8",
      "fixedVersion": "0:1.33.0-6.el8_10.3",
      "supported": true
    },
    {
      "product": "libnghttp2-devel",
      "productUrl": "https://patchblox.com/security/product/linux/libnghttp2-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.33.0-6.el8_10.3",
      "supported": true
    },
    {
      "product": "nghttp2",
      "productUrl": "https://patchblox.com/security/product/linux/nghttp2",
      "release": "RHEL 8",
      "fixedVersion": "0:1.33.0-6.el8_10.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-58055",
      "url": "https://patchblox.com/security/cve/CVE-2026-58055",
      "title": "nghttp2 nghttpx - HTTP Request/Response Smuggling via Upgrade Request with Content-Length",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.4,
      "epss": 0.00253,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}