io.netty:netty-handler vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-50010Highio.netty:netty-handler: Netty: Wrapping plain trust manager silently disables hostname verification CVE-2026-45416Highio.netty:netty-handler: Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes CVE-2026-44249Highio.netty:netty-handler: Netty has an IPv6 Subnet Filter Bypass via Incorrect Comparator Masking CVE-2025-24970Highio.netty:netty-handler: SslHandler doesn't correctly validate packets which can lead to native crash when using native…CVE-2023-34462Mediumio.netty:netty-handler: netty-handler SniHandler 16MB allocation CVE-2016-4970Highio.netty:netty-handler: Loop with Unreachable Exit Condition in Netty CVE-2014-3488Mediumio.netty:netty-handler: Denial of service in Netty CVE-2020-11612Highio.netty:netty-handler: Denial of Service in Netty CVE-2020-7238Highio.netty:netty-handler: HTTP Request Smuggling in Netty CVE-2019-20445Mediumio.netty:netty-handler: HTTP Request Smuggling in Netty

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