CVE-2026-34831 Rack: Content-Length mismatch in Rack::Files error responses

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the...

CVE-2026-34831

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the...

Rack has Content-Length mismatch in Rack::Files error responses

Summary Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the number of bytes actually sent on the wire. Because Rack::Files reflects the...

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...

Protection Mechanism Failure

github.com/envoyproxy/envoy is vulnerable to Protection Mechanism Failure. The vulnerability is due to accepting and forwarding client data before a successful 2xx response in TCP proxy mode, which allows an attacker to cause desynchronization when upstream proxies reject the CONNECT request...

curl: HTTP/1.1 Response Desynchronization via conflicting CL/TE headers in Proxy CONNECT

Summary: curl fails to prioritize the Transfer-Encoding: chunked header over Content-Length in HTTP/1.1 proxy responses specifically 407/401 auth challenges, violating RFC 9112 Section 6.1. I have identified the root cause in cf-h1-proxy.c. In the response-handling loop around line 466, the code...

DEBIAN-CVE-2026-32700

Devise is an authentication solution for Rails based on Warden. Prior to version 5.0.3, a race condition in Devise's Confirmable module allows an attacker to confirm an email address they do not own. This affects any Devise application using the reconfirmable option the default when using...

EulerOS Virtualization 2.12.0 : httpd (EulerOS-SA-2026-1487)

According to the versions of the httpd packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Apache HTTP Server 2.4.65 and earlier with Server Side Includes SSI enabled and modcgid but not modcgi passes the shell-escaped quer...

DEBIAN-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 Request smuggling via first-wins Content-Length parsing in inets httpd

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-2026-23941

CVE-2026-23941 - Erlang OTP inets httpd HTTP Request Smuggling Technical details in connected documents describe a vulnerability in Erlang OTP’s inets httpd module (httpd_request.erl, httpd_request:parse_headers/7) where the server does not reject or normalize duplicate Content-Length headers. Th...

CVE-2026-23941 Request smuggling via first-wins Content-Length parsing in inets httpd

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 Request smuggling via first-wins Content-Length parsing in inets httpd

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-2025-48611

Summary of CVE-2025-48611 : The vulnerability is in the DeviceId.java code path (DeviceId class) where a missing bounds check can cause a desync in persistence, enabling local elevation of privilege without extra execution privileges or user interaction. This is consistently described across mult...

Linux Distros Unpatched Vulnerability : CVE-2026-2634

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controll...

Unspecified Vulnerability in Mozilla Firefox for iOS (CNVD-2026-19942)

Mozilla Firefox for iOS is a web browser designed for iOS devices by the US-based Mozilla Foundation. A security vulnerability exists in Mozilla Firefox for iOS, which can be exploited by an attacker to cause the address bar and page content to be out of sync, allowing the attacker to forge...

GHSA-GQ5V-QF8Q-FP77 ImageMagick: Heap-based Buffer Overflow in GetPixelIndex due to metadata-cache desynchronization

OpenPixelCache updates image channel metadata before attempting pixel cache memory allocation. When both memory and disk allocation fail a heap-buffer-overflow read in occurs in any writer that calls GetPixelIndex...

ImageMagick: Heap-based Buffer Overflow in GetPixelIndex due to metadata-cache desynchronization

OpenPixelCache updates image channel metadata before attempting pixel cache memory allocation. When both memory and disk allocation fail a heap-buffer-overflow read in occurs in any writer that calls GetPixelIndex...

CVE-2026-2634

Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controlled pages to be presented under spoofed domains. This vulnerability was fixed in Firefox for iOS 147.4...