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EUVD-2026-89015

🗓️ 29 Sep 2026 15:32:25Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Remote peer can flood the OpenSSL QUIC stack to cause ~400MB memory allocation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-84784
29 Sep 202615:32
–cve
cvelist
Cvelist
CVE-2026-84784 QUIC: Unbounded RETIRE_CONNECTION_ID Backlog
29 Sep 202615:32
–cvelist
debiancve
Debian CVE
CVE-2026-84784
29 Sep 202615:32
–debiancve
nvd
NVD
CVE-2026-84784
29 Sep 202616:17
–nvd
openssl
OpenSSL
QUIC: Unbounded RETIRE_CONNECTION_ID Backlog
29 Sep 202600:00
–openssl
osv
OSV
DEBIAN-CVE-2026-84784
29 Sep 202616:17
–osv
redhatcve
RedhatCVE
CVE-2026-84784
29 Sep 202617:24
–redhatcve
ubuntucve
UbuntuCve
CVE-2026-84784
29 Sep 202600:00
–ubuntucve
ubuntu
Ubuntu
USN-8847-1: OpenSSL vulnerabilities
29 Sep 202618:19
–ubuntu
vulnrichment
Vulnrichment
CVE-2026-84784 QUIC: Unbounded RETIRE_CONNECTION_ID Backlog
29 Sep 202615:32
–vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "c13759a9-d4af-3926-b289-bd3bcd6bdd0f",
        "vendor": {
          "name": "OpenSSL"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "5251f6c4-8946-378f-8b36-92bcbbbd8934",
        "product": {
          "name": "OpenSSL",
          "vendor": {
            "name": "OpenSSL"
          }
        },
        "product_version": "3.4.0 <3.4.8"
      },
      {
        "id": "856098f9-6dcb-30a5-b6ba-ca8929a1fce3",
        "product": {
          "name": "OpenSSL",
          "vendor": {
            "name": "OpenSSL"
          }
        },
        "product_version": "4.0.0 <4.0.3"
      },
      {
        "id": "bc466eb0-3a92-30c0-b578-cc50392dffa8",
        "product": {
          "name": "OpenSSL",
          "vendor": {
            "name": "OpenSSL"
          }
        },
        "product_version": "3.5.0 <3.5.9"
      },
      {
        "id": "e45b19fa-ecc1-3daf-a4df-d8bf0317069c",
        "product": {
          "name": "OpenSSL",
          "vendor": {
            "name": "OpenSSL"
          }
        },
        "product_version": "3.6.0 <3.6.5"
      }
    ]
  }
]

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29 Sep 2026 16:44Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
SSVC
3