Lucene search
+L

CVE-2026-110354

🗓️ 22 Oct 2026 02:46:38Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 78 Views

Unauthenticated DoS in HAProxy via HTTP/1.1 chunked request causes CPU exhaustion.

Related
Detection
Affected
Refs
Social
Vulners
Node
OR
haproxyhaproxyRange3.0.0–3.0.30
haproxyhaproxyRange3.2.0–3.2.26
haproxyhaproxyRange3.3.0–3.3.17
haproxyhaproxyRange3.4.0–3.4.6
haproxyhaproxyRange3.5-dev–3.5-dev9
haproxyhaproxyRange3.0r1–3.0r1-362.1441
haproxyhaproxyRange3.2r1–3.2r1-378.1259
haproxyhaproxyRange3.3r1–3.3r1-377.1005
haproxykubernetes_ingress_controllerRange1.11–1.11.14-ee11
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "mux-h1"
    ],
    "product": "HAProxy",
    "programFiles": [
      "src/h1_htx.c"
    ],
    "programRoutines": [
      {
        "name": "h1_parse_msg_data"
      }
    ],
    "repo": "https://git.haproxy.org/git/haproxy.git",
    "vendor": "HAProxy",
    "versions": [
      {
        "lessThan": "3.0.30",
        "status": "affected",
        "version": "3.0.0",
        "versionType": "custom"
      },
      {
        "lessThan": "3.2.26",
        "status": "affected",
        "version": "3.2.0",
        "versionType": "custom"
      },
      {
        "lessThan": "3.3.17",
        "status": "affected",
        "version": "3.3.0",
        "versionType": "custom"
      },
      {
        "lessThan": "3.4.6",
        "status": "affected",
        "version": "3.4.0",
        "versionType": "custom"
      },
      {
        "lessThan": "3.5-dev9",
        "status": "affected",
        "version": "3.5-dev",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "HAProxy Enterprise Edition",
    "vendor": "HAProxy",
    "versions": [
      {
        "lessThan": "3.0r1-362.1441",
        "status": "affected",
        "version": "3.0r1",
        "versionType": "custom"
      },
      {
        "lessThan": "3.2r1-378.1259",
        "status": "affected",
        "version": "3.2r1",
        "versionType": "custom"
      },
      {
        "lessThan": "3.3r1-377.1005",
        "status": "affected",
        "version": "3.3r1",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "HAProxy Kubernetes Ingress Controller",
    "vendor": "HAProxy Technologies",
    "versions": [
      {
        "lessThan": "3.2.17",
        "status": "affected",
        "version": "3.2.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Kubernetes Ingress Controller Enterprise",
    "vendor": "HAProxy Technologies",
    "versions": [
      {
        "lessThan": "3.2.17-ee1",
        "status": "affected",
        "version": "3.2.0",
        "versionType": "custom"
      },
      {
        "lessThan": "3.0.16-ee17",
        "status": "affected",
        "version": "3.0",
        "versionType": "custom"
      },
      {
        "lessThan": "1.11.14-ee11",
        "status": "affected",
        "version": "1.11",
        "versionType": "custom"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

22 Oct 2026 19:17Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.5
EPSS0.00807
SSVC
78