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CVE-2026-110353

🗓️ 22 Oct 2026 02:53:33Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Unauthenticated DoS in HAProxy via truncated HTTP/2 PING frame causes CPU exhaustion.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-110353
22 Oct 202603:00
–circl
cvelist
Cvelist
CVE-2026-110353
22 Oct 202602:53
–cvelist
euvd
EUVD
EUVD-2026-108001
22 Oct 202602:53
–euvd
nvd
NVD
CVE-2026-110353
22 Oct 202603:16
–nvd
ptsecurity
Positive Technologies
PT-2026-120964
22 Oct 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-110353
22 Oct 202603:12
–redhatcve
Vulners
Node
OR
haproxyhaproxyRange3.2.0–3.2.26
haproxyhaproxyRange3.3.0–3.3.17
haproxyhaproxyRange3.4.0–3.4.6
haproxyhaproxyRange3.5-dev–3.5-dev9
haproxyhaproxyRange3.2.0r1–3.2r1-378.1259
haproxyhaproxyRange3.3.0r1–3.3r1-377.1005
haproxykubernetes_ingress_controllerRange1.11–1.11.14-ee11
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "mux-h2"
    ],
    "product": "HAProxy",
    "programFiles": [
      "src/mux_h2.c"
    ],
    "programRoutines": [
      {
        "name": "h2c_handle_ping"
      }
    ],
    "repo": "https://git.haproxy.org/git/haproxy.git/",
    "vendor": "HAProxy",
    "versions": [
      {
        "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": "3.2r1-378.1259",
        "status": "affected",
        "version": "3.2.0r1",
        "versionType": "custom"
      },
      {
        "lessThan": "3.3r1-377.1005",
        "status": "affected",
        "version": "3.3.0r1",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Kubernetes Ingress Controller",
    "vendor": "HAProxy",
    "versions": [
      {
        "lessThan": "3.2.17",
        "status": "affected",
        "version": "3.2.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Kubernetes Ingress Controller Enterprise",
    "vendor": "Haproxy",
    "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"
      }
    ]
  }
]

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22 Oct 2026 03:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
9