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CVE-2026-42580

🗓️ 13 May 2026 18:04:03Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-42580: Netty HTTP request smuggling from chunk size parsing overflow; fixed in 4.2.13.Final and 4.1.133.Final.

Related
Detection
Affected
Refs
NVD
Vulners
Node
nettynettyRange<4.1.133
OR
nettynettyRange4.2.04.2.13
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": ">= 4.2.0.Alpha1, < 4.2.13.Final",
        "status": "affected"
      },
      {
        "version": "< 4.1.133.Final",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "io.netty",
    "product": "netty-codec-http",
    "versions": [
      {
        "version": ">= 4.2.0.Alpha1, < 4.2.13.Final",
        "status": "affected"
      },
      {
        "version": "< 4.1.133.Final",
        "status": "affected"
      }
    ]
  }
]

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18 May 2026 14:03Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00016
SSVC
6