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CVE-2026-45416 Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes

🗓️ 12 Jun 2026 14:10:05Reported by GitHub_MType 
cvelist
 cvelist🔗 www.cve.org👁 5 Views

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SslClientHelloHandler.decode() reads the 24-bit TLS handshake length and, when the ClientHello does not fit...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Chainguard		CVE-2026-45416 vulnerabilities
9 Jun 202607:18
–cgr
CVE		CVE-2026-45416
12 Jun 202614:10
–cve
EUVD		EUVD-2026-36436
12 Jun 202614:10
–euvd
Github Security Blog		Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes
8 Jun 202623:01
–github
NVD		CVE-2026-45416
12 Jun 202615:16
–nvd
OSV		CGA-6WXR-6WHF-PW65
9 Jun 202604:29
–osv
OSV		GHSA-X4GW-5CX5-PGMH Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes
8 Jun 202623:01
–osv
OSV		MINI-292C-R35F-QRRM
9 Jun 202619:29
–osv
OSV		MINI-2F8H-HWXG-RWPJ
9 Jun 202619:30
–osv
OSV		MINI-2MFF-M8XX-XCGP
9 Jun 202619:35
–osv
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[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": ">= 4.2.0.Final, < 4.2.15.Final",
        "status": "affected"
      },
      {
        "version": "< 4.1.135.Final",
        "status": "affected"
      }
    ]
  }
]

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12 Jun 2026 14:12Current
CVSS 3.17.5
CWE-770
5