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CVE-2026-100661

🗓️ 26 Sep 2026 13:23:28Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 37 Views

Unauthenticated DoS in Netty netty-codec-http3 4.2.0.Final-4.2.17.Final via QPACK decoder.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-100661
27 Sep 202602:17
–circl
cvelist
Cvelist
CVE-2026-100661 Netty HTTP/3 QPACK Prefixed Integer DoS via Unbounded Accumulation
26 Sep 202613:23
–cvelist
debiancve
Debian CVE
CVE-2026-100661
26 Sep 202613:23
–debiancve
euvd
EUVD
EUVD-2026-87755
26 Sep 202613:23
–euvd
mend
Mend
CVE-2026-100661
26 Sep 202613:23
–mend
nvd
NVD
CVE-2026-100661
26 Sep 202614:16
–nvd
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-100661
26 Sep 202614:16
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-99332
26 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-100661: Uncontrolled Resource Consumption
26 Sep 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-100661
26 Sep 202614:16
–redhatcve
Rows per page
Vulners
CNA
Node
nettynettyRange4.2.0.final–4.2.18.final
[
  {
    "vendor": "netty",
    "product": "netty",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:maven/io.netty/netty-codec-http3",
    "versions": [
      {
        "version": "4.2.0.Final",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "4.2.18.Final"
      },
      {
        "version": "4.2.18.Final",
        "status": "unaffected",
        "versionType": "custom"
      }
    ]
  }
]

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02 Oct 2026 21:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
CVSS 48.7
EPSS0.00343
SSVC
37