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EUVD-2026-84111

🗓️ 21 Sep 2026 19:49:28Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 12 Views

Unauthenticated OOM in Envoy before 1.36.10/1.37.6/1.38.4/1.39.1 via duplicate Host HPACK indexing.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : ecs-service-connect-agent (ALAS2023-2026-2149)
14 Sep 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2 : ecs-service-connect-agent (ALASECS-2026-137)
14 Sep 202600:00
–nessus
amazon
Amazon
Important: ecs-service-connect-agent
14 Sep 202600:00
–amazon
amazon
Amazon
Important: ecs-service-connect-agent
14 Sep 202600:00
–amazon
circl
Circl
CVE-2026-73550
21 Sep 202621:03
–circl
cve
CVE
CVE-2026-73550
21 Sep 202619:49
–cve
cvelist
Cvelist
CVE-2026-73550 Envoy: HTTP/2 Discarded Host Header 200 GB Header-Copy OOM in Envoy
21 Sep 202619:49
–cvelist
mend
Mend
CVE-2026-73550
21 Sep 202619:49
–mend
nvd
NVD
CVE-2026-73550
21 Sep 202620:17
–nvd
opensuse
OPENSUSE Linux
istioctl-1.30.4-1.1 on GA media (moderate)
31 Aug 202600:00
–opensuse
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "03b24163-7b47-3af0-98b1-c5cc5531e3f6",
        "vendor": {
          "name": "envoyproxy"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "09c8f96b-589c-33ae-8815-fc75c222cf58",
        "product": {
          "name": "envoy",
          "vendor": {
            "name": "n/a"
          }
        },
        "product_version": "1.37.0, < 1.37.6"
      },
      {
        "id": "0be9e268-9bf0-3d76-946e-45551e2624ea",
        "product": {
          "name": "envoy",
          "vendor": {
            "name": "n/a"
          }
        },
        "product_version": "< 1.36.10"
      },
      {
        "id": "71c6177e-c50f-3536-b5a9-7af38ca3f063",
        "product": {
          "name": "envoy",
          "vendor": {
            "name": "n/a"
          }
        },
        "product_version": "1.38.0, < 1.38.4"
      },
      {
        "id": "d1df57ea-37e9-3be8-8a9c-eefe2ea91c21",
        "product": {
          "name": "envoy",
          "vendor": {
            "name": "n/a"
          }
        },
        "product_version": "1.39.0, < 1.39.1"
      }
    ]
  }
]

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21 Sep 2026 19:49Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00552
12