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CVE-2026-56816 Netty: Memory Exhaustion via HTTP/3 Reserved Frame Types

🗓️ 21 Jul 2026 21:56:36Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Netty before 4.2.16.Final can exhaust memory with oversized HTTP/3 reserved frames, causing a denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-56816
21 Jul 202621:56
cve
EUVD
EUVD-2026-47564
21 Jul 202621:56
euvd
NVD
CVE-2026-56816
21 Jul 202622:17
nvd
Positive Technologies
PT-2026-62422
21 Jul 202600:00
ptsecurity
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": "< 4.2.16.Final",
        "status": "affected"
      }
    ]
  }
]

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