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Maven package

io.netty:netty-handler-proxy

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Low, CVSS 2.9MavenPublished

    Netty has HTTP Header Injection via HttpProxyHandler Disabled Validation (Incomplete Fix CVE-2025-67735)

    CVE-2026-42578 · GHSA-45q3-82m4-75jr

    Affected
    • Maven io.netty:netty-handler-proxy <= 4.1.132.Final; >= 4.2.0.Alpha1, <= 4.2.12.Final
    Fixed in
    4.2.13.Final4.1.133.Final· Vendor fix available
    Issue
    Security Vulnerability Report: HTTP Header Injection via HttpProxyHandler Disabled Validation in Netty 1. Vulnerability Summary | Field | Value | |-------|-------| | Product | Netty | | Version | 4.2.12.Final (and all prior versions) | | Component | io.netty.handler.proxy.HttpProxyHandler | | Vulnerability Type | CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers | | Impact | HTTP Header Injection in CONNECT Proxy Requests | | CVSS 3.1 Score | 7.5 (High) | | CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | | Related Advisory | GHSA-84h7-rjj3-6jx4 (Incomplete Fix) | 2. Affected Components - io.netty.handler.proxy.HttpProxyHandler — newInitialMessage() method (line 176) explicitly disables header validation via withValidation(false) 3. Vulnerability Description Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method (line 176) creates headers using…

    Recommended action: Upgrade to 4.2.13.Final or 4.1.133.Final by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →