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EUVD-2026-43036

🗓️ 10 Jul 2026 20:49:58Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Fixed h2o crash from a large on stack QPACK buffer prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-55213
10 Jul 202622:01
circl
CVE
CVE-2026-55213
10 Jul 202620:49
cve
Cvelist
CVE-2026-55213 h2o: musl libc stack overflow (QPACK)
10 Jul 202620:49
cvelist
NVD
CVE-2026-55213
10 Jul 202621:16
nvd
Positive Technologies
PT-2026-57321
10 Jul 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "a206563c-ffa0-3c75-9808-9ece58dc07d8",
        "vendor": {
          "name": "h2o"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "ea68ec30-dca2-3e47-b0aa-bdb9a8680846",
        "product": {
          "name": "H2O",
          "vendor": {
            "name": "h2o"
          }
        },
        "product_version": "< edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1"
      }
    ]
  }
]

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10 Jul 2026 20:49Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.5
4