CVE-2026-5440

A memory exhaustion vulnerability exists in the HTTP server due to unbounded use of the Content-Length header. The server allocates memory directly based on the attacker supplied header value without enforcing an upper limit. A crafted HTTP request containing an extremely large Content-Length val...

CVE-2026-5440 Memory Exhaustion via Unbounded Content-Length

A memory exhaustion vulnerability exists in the HTTP server due to unbounded use of the Content-Length header. The server allocates memory directly based on the attacker supplied header value without enforcing an upper limit. A crafted HTTP request containing an extremely large Content-Length val...

CVE-2026-5440

CVE-2026-5440 describes a memory exhaustion vulnerability in an HTTP server caused by unbounded handling of the Content-Length header. The server allocates memory directly based on the attacker-supplied Content-Length value, without an upper limit, so a crafted request with a very large Content-L...

Orthanc 安全漏洞

Orthanc is a free open-source software developed by the Orthanc company. Orthanc has a security vulnerability, which stems from the HTTP server’s unlimited use of the Content-Length header, leading to a memory exhaustion issue. This vulnerability may cause excessive memory allocation and...

Linux Distros Unpatched Vulnerability : CVE-2026-5440

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A memory exhaustion vulnerability exists in the HTTP server due to unbounded use of the Content-Length header. The server allocates memory directly based on the...

Allocation of Resources Without Limits or Throttling

Overview Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the ASGI requests with a missing or understated Content-Length header whe...

PYSEC-2026-49

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30.ASGI requests with a missing or understated Content-Length header couldbypass the DATAUPLOADMAXMEMORYSIZE limit when readingHttpRequest.body, allowing remote attackers to load an unbounded request body...

PYSEC-2026-49

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGI requests with a missing or understated Content-Length header could bypass the DATAUPLOADMAXMEMORYSIZE limit when reading HttpRequest.body, allowing remote attackers to load an unbounded request body into...

CVE-2026-33034 Potential denial-of-service vulnerability in ASGI requests via memory upload limit bypass

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGI requests with a missing or understated Content-Length header could bypass the DATAUPLOADMAXMEMORYSIZE limit when reading HttpRequest.body, allowing remote attackers to load an unbounded request body into...

CVE-2026-33034

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGI requests with a missing or understated Content-Length header could bypass the DATAUPLOADMAXMEMORYSIZE limit when reading HttpRequest.body, allowing remote attackers to load an unbounded request body into...

Django 安全漏洞

Django is an open-source web framework based on the Python language, developed by the Django Foundation. This framework includes an object-oriented mapper, a view system, and a template system. Versions of Django prior to 6.0.4, 5.2.13, and 4.2.30 contained security vulnerabilities. These...

CVE-2026-34831

A flaw was found in Rack. A remote attacker can exploit this vulnerability by requesting a non-existent path containing percent-encoded UTF-8 characters. This causes Rack::Filesfail to incorrectly calculate the Content-Length header, using Stringsize instead of Stringbytesize for multibyte...

CVE-2026-23457

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: fix Content-Length u32 truncation in siphelptcp siphelptcp parses the SIP Content-Length header with simplestrtoul, which returns unsigned long, but stores the result in unsigned int clen. On 64-bit...

PT-2026-30151

Name of the Vulnerable Software and Affected Versions The Linux kernel affected versions not specified Description A flaw exists in the sip help tcp function within the netfilter module. This function parses the SIP Content-Length header using simple strtoul, which returns an unsigned long, but...

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...

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...

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...

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...