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CVE-2026-100663 Netty HTTP/1 CONNECT authority-form mistranslated to malformed HTTP/3

🗓️ 26 Sep 2026 13:23:29Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

Remote malformed HTTP/3 via Netty netty-codec-http3 4.2.2.Final-4.2.17.Final CONNECT bypass.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-100663
26 Sep 202613:23
–cve
debiancve
Debian CVE
CVE-2026-100663
26 Sep 202613:23
–debiancve
euvd
EUVD
EUVD-2026-87757
26 Sep 202613:23
–euvd
nvd
NVD
CVE-2026-100663
26 Sep 202614:16
–nvd
redhatcve
RedhatCVE
CVE-2026-100663
27 Sep 202607:47
–redhatcve
[
  {
    "vendor": "netty",
    "product": "netty",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:maven/io.netty/netty-codec-http3",
    "versions": [
      {
        "version": "4.2.2.Final",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.2.18.Final"
      },
      {
        "version": "4.2.18.Final",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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