CVE-2026-21428

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428 cpp-httplib has CRLF injection in http headers

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428

CVE-2026-21428 affects cpp-httplib (C++11 single-file header-only library). The vulnerability is in write_headers: it does not validate CR/LF in user-supplied header values, enabling injection of extra headers, potential tampering with the request body, and SSRF when paired with servers supportin...

CVE-2026-21428 cpp-httplib has CRLF injection in http headers

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428 cpp-httplib has CRLF injection in http headers

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

curl: CRLF Injection / Protocol Smuggling in libcurl via CURLOPT_USERNAME (IMAP)

Summary: I have discovered a CRLF injection vulnerability in the IMAP protocol implementation of libcurl. The vulnerability exists because the imapatom function in lib/imap.c fails to properly sanitize or quote Carriage Return \r and Line Feed \n characters when processing the CURLOPTUSERNAME...

PT-2026-31940

Name of the Vulnerable Software and Affected Versions Apache Log4j Core versions 2.21.0 through 2.25.3 Description The Rfc5424Layout component is susceptible to log injection via CRLF Carriage Return Line Feed sequences. This occurs because security-relevant configuration attributes were renamed...

curl: Protocol Smuggling / CRLF Injection via Gopher Protocol allows Arbitrary Command Injection

Summary: I have discovered that the Gopher protocol implementation in curl fails to properly sanitize newline characters %0d%0 in the selector path. This allows an attacker to inject arbitrary TCP commands when curl connects to a target server via gopher://. This vulnerability enables Protocol...

openSUSE Security Advisory (SUSE-SU-2025:4489-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE SLES15 / openSUSE 15 Security Update : netty (SUSE-SU-2025:4489-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:4489-1 advisory. Update to upstream version 4.1.130. Security issues fixed: - CVE-2025-67735: lack of URI sanitization in HttpRequestEncoder allows for CRL...

Security update for netty

This update for netty fixes the following issues: Update to upstream version 4.1.130. Security issues fixed: CVE-2025-67735: lack of URI sanitization in HttpRequestEncoder allows for CRLF injection through a request URI and can lead to request smuggling bsc1255048. Other updates and bugfixes:...

SUSE-SU-2025:4489-1 Security update for netty

This update for netty fixes the following issues: Update to upstream version 4.1.130. Security issues fixed: - CVE-2025-67735: lack of URI sanitization in HttpRequestEncoder allows for CRLF injection through a request URI and can lead to request smuggling bsc1255048. Other updates and bugfixes: -...

CVE-2022-50682

A CRLF injection vulnerability in Kentico Xperience allows attackers to manipulate URL query string redirects via improper encoding in the routing engine. This could enable header injection and potentially facilitate further web application attacks...

Security Bulletin: Multiple Vulnerabilities in IBM CloudPak for AIOps

Summary Multiple vulnerabilities were addressed in IBM Cloud Pak for AIOps version 4.12.0 Vulnerability Details CVEID:CVE-2025-59419 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.128.Final and 4.2.7.Final, the SMTP codec in Netty...

Security Bulletin: Vulnerability in Netty affects IBM Netezza Appliance

Summary The Netty package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-59419 Vulnerability Details CVEID:CVE-2025-59419 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.128.Final and...

CVE-2025-67735

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the io.netty.handler.codec.http.HttpRequestEncoder has a CRLF injection with the request URI when constructing a request. This leads to request smuggling when HttpRequestEncod...

CVE-2025-67735

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the io.netty.handler.codec.http.HttpRequestEncoder has a CRLF injection with the request URI when constructing a request. This leads to request smuggling when HttpRequestEncod...

CVE-2025-67735

CVE-2025-67735 : Netty has a CRLF injection in io.netty.handler.codec.http.HttpRequestEncoder that can enable request smuggling when the URI is not sanitized. Affected versions are prior to 4.1.129.Final and 4.2.8.Final; these versions are stated as having fixes. The vulnerability arises from CRL...

CVE-2025-67735

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the io.netty.handler.codec.http.HttpRequestEncoder has a CRLF injection with the request URI when constructing a request. This leads to request smuggling when HttpRequestEncod...