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CVE-2026-75804 QUIC Connection-Level Flow Control is Not Enforced for Streams

🗓️ 29 Sep 2026 15:32:19Reported by opensslType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

OpenSSL QUIC stack lacks connection-level flow control for streams, leading to resource exhaustion.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "lessThan": "4.0.3",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.6.5",
        "status": "affected",
        "version": "3.6.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.5.9",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.8",
        "status": "affected",
        "version": "3.4.0",
        "versionType": "semver"
      }
    ]
  }
]

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29 Sep 2026 15:32Current
CVSS 3.15.3
EPSS0.00352
SSVC
47