{
  "fix": "DEBIAN-CVE-2026-110354",
  "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-110354",
  "summary": "DEBIAN-CVE-2026-110354, released October 27, 2026, fixes 1 CVE in haproxy. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "haproxy security update",
  "released": "2026-10-27T21:14:52Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-110354, high severity",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00807,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://security-tracker.debian.org/tracker/CVE-2026-110354",
  "appliesTo": [
    {
      "product": "haproxy",
      "productUrl": "https://patchblox.com/security/product/linux/haproxy",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.6.12-1\u002Bdeb12u4",
      "supported": true
    },
    {
      "product": "haproxy",
      "productUrl": "https://patchblox.com/security/product/linux/haproxy",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.0.11-1\u002Bdeb13u4",
      "supported": true
    },
    {
      "product": "haproxy",
      "productUrl": "https://patchblox.com/security/product/linux/haproxy",
      "release": "Debian 14",
      "fixedVersion": "3.2.26-1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-110354",
      "url": "https://patchblox.com/security/cve/CVE-2026-110354",
      "title": "HAProxy 3 before 3.4.6 allows a remote unauthenticated attacker to cause a denial of service (persistent worker-thread CPU exhaustion) via an HTTP/1.1 chunked request. Although the H1 multiplexer drains the request before closing the stream, the parser repeatedly re-processes the same bytes without making progress. The affected thread stays busy at 100% CPU after timeouts expire and after the client disconnects, and repeated requests can consume all worker threads until the process is restarted.",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00807,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}