Denial of Service (DoS)

Overview rack is a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between the so-called middleware into a singl...

Rack 安全漏洞

Rack is a modular Ruby web server interface developed by Rack authors. Vulnerabilities exist in versions of Rack prior to 2.2.23, 3.1.21, and 3.2.6. These vulnerabilities stem from the use of Stringsize instead of Stringbytesize to set the Content-Length response header in Rack::Filesfail, which...

PT-2026-29817

Name of the Vulnerable Software and Affected Versions Rack versions prior to 2.2.23, 3.1.21, and 3.2.6 Description Rack's Rack::Multipart::Parser does not limit the size of multipart uploads when a Content-Length header is not present, such as with HTTP chunked transfer encoding. Specifically, wh...

PT-2026-29819

Name of the Vulnerable Software and Affected Versions Rack versions prior to 2.2.23, 3.1.21, and 3.2.6 Description Rack’s Rack::Filesfail function incorrectly calculates the Content-Length response header using Stringsize instead of Stringbytesize. This occurs when the response body contains...

CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

Fedora 42 : cpp-httplib (2026-6ed9c65eaf)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-6ed9c65eaf advisory. Update to 0.37.1 rbhz2445943 - Fixes Denial of Service via malformed Content-Length header CVE-2026-31870 - Reenables 32-bit build Update to 0.37.0...

OESA-2026-1667 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: Inconsistent Interpretation of HTTP Requests 'HTTP...

Fedora 44 : cpp-httplib (2026-2c2afa9f9e)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2c2afa9f9e advisory. Update to 0.37.1 - Fixes Denial of Service via malformed Content-Length header CVE-2026-31870 - Reenable 32b builds Update to 0.37.0 rhbz2441656 -...

Linux Distros Unpatched Vulnerability : CVE-2026-23941

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This...

CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

UBUNTU-CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-1525

A flaw was found in undici, a Node.js HTTP/1.1 client. A remote attacker could exploit this vulnerability by sending HTTP/1.1 requests that include duplicate Content-Length headers with different casing e.g., "Content-Length" and "content-length". This can lead to HTTP Request Smuggling, a...

CVE-2026-1525

Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: Applications...

UBUNTU-CVE-2026-1525

Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: Applications...

CVE-2026-1525

CVE-2026-1525 is an Undici HTTP client issue where passing duplicate Content-Length headers (especially with mixed case variants like Content-Length and content-length) can produce malformed HTTP/1.1 requests and enable HTTP Request Smuggling in misconfigured environments. Public advisories indic...

CVE-2026-31870

A flaw was found in cpp-httplib. A remote attacker, acting as a malicious server or through a man-in-the-middle position, can send a specially crafted HTTP response with a malformed Content-Length header. This lack of input validation and exception handling causes the client application to crash,...

SUSE CVE-2026-31870

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

undici 安全漏洞

Undici is an open-source HTTP/1.1 client developed by Node.js. Undici has a security vulnerability that stems from allowing duplicate HTTP Content-Length headers. This can lead toHTTP/1.1 requests with multiple conflicting Content-Length values, potentially causing denial-of-service attacks or HT...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception in the ClientImpl::openstream function when processing the Content-Length response header in the streaming API. An attacker can cause the client process to crash by sending a malformed or excessively large...