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EUVD-2023-55065

🗓️ 03 Oct 2025 20:07:09Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

H2O server's QUIC stack is vulnerable to state exhaustion in HTTP/3, resolved in the latest commit.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2023-50247
12 Dec 202320:15
alpinelinux
Circl
CVE-2023-50247
4 Jan 202408:41
circl
CNNVD
h2o Security Vulnerabilities
12 Dec 202300:00
cnnvd
CVE
CVE-2023-50247
12 Dec 202319:56
cve
Cvelist
CVE-2023-50247 h2o QUIC state exhaustion DoS
12 Dec 202319:56
cvelist
Debian CVE
CVE-2023-50247
12 Dec 202319:56
debiancve
NVD
CVE-2023-50247
12 Dec 202320:15
nvd
OSV
CVE-2023-50247 h2o QUIC state exhaustion DoS
12 Dec 202319:56
osv
Prion
Memory corruption
12 Dec 202320:15
prion
Positive Technologies
PT-2023-31505 · H2O · H2O
12 Dec 202300:00
ptsecurity
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "19e31922-e311-375a-97ce-6ea9b3869f1e",
        "vendor": {
          "name": "h2o"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "b1edd367-cba8-3662-b63d-ec77941408c4",
        "product": {
          "name": "H2O"
        },
        "product_version": "≤ 2.3.0-beta2"
      }
    ]
  }
]

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03 Oct 2025 20:07Current
7.5High risk
Vulners AI Score7.5
CVSS 3.13.7 - 7.5
EPSS0.00562
1