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CVE-2025-67735 Netty has a CRLF Injection vulnerability in io.netty.handler.codec.http.HttpRequestEncoder

🗓️ 16 Dec 2025 00:19:11Reported by GitHub_MType 
cvelist
 cvelist🔗 www.cve.org👁 25 Views

CRLF injection in Netty HttpRequestEncoder enables request smuggling in pre 4.1.129.Final and 4.2.8.Final.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Security QRadar EDR Software
11 Feb 202616:52
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in netty-codec-4.1.124.Final.jar, netty-codec-http-4.1.108.Final.jar, netty-codec-http2-4.1.124.Final.jar affecting MongoDB Enterprised Advanced (CVE-2025-58056, CVE-2025-58057, CVE-2025-67735)
24 Feb 202619:17
–ibm
IBM Security Bulletins		Security Bulletin: Rational Test Automation Server is vulnerable to request smuggling using CRLF injection due to netty-codec-http (CVE-2025-67735)
22 Apr 202613:57
–ibm
IBM Security Bulletins		Security Bulletin: tCRLF Injection Vulnerability in Netty HttpRequestEncoder Leading to Request Smuggling, affects watsonx.data
7 Apr 202610:58
–ibm
IBM Security Bulletins		Security Bulletin: IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
5 Feb 202615:27
–ibm
IBM Security Bulletins		Security Bulletin: There are multiple vulnerabilities in IBM DB2 bundled with IBM Application Performance Management products.
21 May 202614:00
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in netty-codec-http-4.1.126.Final.jar used by IBM Maximo Manage application in IBM Maximo Application Suite ( CVE-2025-67735)
3 Mar 202604:13
–ibm
IBM Security Bulletins		Security Bulletin:Netty CRLF Injection in HttpRequestEncoder: Request Smuggling Vulnerability Fixed in 4.1.129.Final and 4.2.8.Final
4 May 202612:43
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities have been identified in IBM Db2 shipped with IBM Guardium Key Lifecycle Manager (SKLM/GKLM)
6 May 202613:53
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in IBM Business Automation Manager Open Editions
31 Mar 202612:18
–ibm
Rows per page
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": ">= 4.2.0.Alpha1, < 4.2.8.Final",
        "status": "affected"
      },
      {
        "version": "< 4.1.129.Final",
        "status": "affected"
      }
    ]
  }
]

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16 Dec 2025 00:19Current
CVSS 3.16.5
EPSS0.00024
CWE-93
nettycrlf injectionhttp request encoderrequest smugglingversion 4.1.129version 4.2.8uri sanitization
25