CGI: Denial of Service in CGI::Cookie.parse

A flaw was found in Ruby's CGI gem. Processing specially crafted large cookies with the CGI::Cookie.parse method can cause excessive resource consumption due to a missing limit on the length of the raw cookie value, resulting in a denial of service...

uri: userinfo leakage in URI#join, URI#merge and URI#+

A flaw was found in the URI ruby gem package, where userinfo leakage can occur in the uri gem. The methods URIjoin, URImerge, and URI+ retained userinfo, such as user:password, even after the host is replaced. When generating a URL to a malicious host from a URL containing secret userinfo using...

Moderate: Red Hat Security Advisory: ruby:3.3 security update

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

ALSA-2025:10217 Moderate: ruby:3.3 security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse...

Moderate: ruby:3.3 security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse...

RHEL 8 : ruby:3.3 (RHSA-2025:10217)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:10217 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

Oracle Linux 10 : ruby (ELSA-2025-8131)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-8131 advisory. - Fix Net::IMAP vulnerable to possible DoS by memory exhaustion. CVE-2025-25186 - Fix Denial of Service in CGI::Cookie.parse. CVE-2025-27219 Resolves:...

USN-8478-1 ruby2.7, ruby3.0, ruby3.2, ruby3.3 vulnerabilities

It was discovered that Ruby's Net::IMAP library did not properly verify that TLS encryption was started after issuing a STARTTLS command. A remote attacker could use this to perform a machine-in-the-middle attack and silently bypass TLS encryption. CVE-2026-42246 It was discovered that Ruby's...

PT-2026-36987

Name of the Vulnerable Software and Affected Versions net-imap affected versions not specified Description A hostile IMAP server can trigger a computational denial-of-service attack on the client process during authentication using SCRAM-SHA1 or SCRAM-SHA256. By sending an arbitrarily large PBKDF...

OESA-2025-1686 rubygem-rack security update

Rack provides 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 single...

OESA-2025-1684 rubygem-rack security update

Rack provides 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 single...

ruby security update

3.3.8-10 - Upgrade to Ruby 3.3.8. Resolves: RHEL-87342 - Fix Net::IMAP vulnerable to possible DoS by memory exhaustion. CVE-2025-25186 - Fix Denial of Service in CGI::Cookie.parse. CVE-2025-27219 Resolves: RHEL-86116 - Fix userinfo leakage in URIjoin, URImerge and URI+. CVE-2025-27221...

Ruby WEBrick < 1.8.2 HTTP Request Smuggling

The version of the WEBrick Ruby library installed on the remote host is prior to 1.8.2. It is, therefore, affected by an HTTP request smuggling vulnerability in the readheader. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick...

GHSA-R995-Q44H-HR64 Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...

Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...

Ruby Gem Modules Installed (macOS)

Binary data rubygemmodulesmacosinstalled.nbin...

Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...

metasploit-framework

This repository is an offensive tool for Metasploit Framework. The primary CVE ID is not explicitly mentioned, but it is likely related to the Metasploit Framework itself. The target product/service or framework is Metasploit Framework, a penetration testing platform. The vulnerability class/vect...

AZL-64355 CVE-2025-6442 affecting package rubygem-webrick for versions less than 1.8.1-2

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...

AZL-64352 CVE-2025-6442 affecting package ruby for versions less than 3.3.5-4

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...