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Vendor

netty

103 known vulnerabilities.

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  • Medium 6.5
    CVE-2026-59903 Public exploit

    Netty: Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

    Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a…

  • High 7.5
    CVE-2026-56819 Public exploit

    Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

    Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct `ByteBuf` per HTTP/2 `DATA` frame i…

  • High 7.5
    CVE-2026-50011 Public exploit

    Netty has unbounded pre-allocation in RedisArrayAggregator from RESP array length

    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, RedisArrayAggregator pre-allocates ArrayList with initial capacity equal to the RESP array element count declared in an…

  • High 8.7
    CVE-2026-45674 Public exploit

    Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

    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, Netty's DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Versions 4.1.135.…

  • High 8.7
    CVE-2026-33871 Public exploit

    Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass

    Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, a remote user can trigger a Denial of Service (DoS) against a Netty HTTP/2 server by sending a flood of `CONTINUATION` frames. The serve…

  • High 8.2
    CVE-2025-55163 Public exploit

    Netty MadeYouReset HTTP/2 DDoS Vulnerability

    Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames …