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EUVD-2026-45074

🗓️ 16 Jul 2026 23:04:41Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

h2o server DoS via large alloca during static files; risk of stack overflow, fixed by 6b5370d.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
h2o -- stack overflow serving static files on musl libc
29 May 202600:00
freebsd
ATTACKERKB
CVE-2026-44453
16 Jul 202623:04
attackerkb
Circl
CVE-2026-44453
17 Jul 202600:39
circl
CVE
CVE-2026-44453
16 Jul 202623:04
cve
Cvelist
CVE-2026-44453 h2o is vulnerable to musl libc stack overflow
16 Jul 202623:04
cvelist
Tenable Nessus
FreeBSD : h2o -- stack overflow serving static files on musl libc (644d5e6c-1bd9-4904-8440-16c04100a2e1)
12 Jun 202600:00
nessus
NVD
CVE-2026-44453
16 Jul 202623:16
nvd
Positive Technologies
PT-2026-60604
16 Jul 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "7fa4a079-47c3-394b-9ec8-6aaf45c28ec7",
        "vendor": {
          "name": "h2o"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "7a652b68-2747-317a-95df-43eabcf03094",
        "product": {
          "name": "H2O",
          "vendor": {
            "name": "h2o"
          }
        },
        "product_version": "< 6b5370d"
      }
    ]
  }
]

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16 Jul 2026 23:04Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00052
4