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CVE-2026-55833

🗓️ 20 Jul 2026 23:18:07Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Netty SPDY header decoding expands after maxHeaderSize truncation, causing CPU and memory churn; fixed in 4.1.136.Final and 4.2.16.Final.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55833
20 Jul 202623:18
attackerkb
Circl
CVE-2026-55833
21 Jul 202602:18
circl
Cvelist
CVE-2026-55833 Netty SPDY zlib header block continues decoded expansion after maxHeaderSize truncation
20 Jul 202623:18
cvelist
EUVD
EUVD-2026-46133
20 Jul 202623:18
euvd
NVD
CVE-2026-55833
21 Jul 202600:17
nvd
Positive Technologies
PT-2026-61745
20 Jul 202600:00
ptsecurity
Vulners
Node
OR
nettynettyRange4.2.0.Final4.2.16.Final
nettynettyRange4.1.0.Final4.1.136.Final
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": ">= 4.2.0.Final, < 4.2.16.Final",
        "status": "affected"
      },
      {
        "version": ">= 4.1.0.Final, < 4.1.136.Final",
        "status": "affected"
      }
    ]
  }
]

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