19501 matches found
Possible Denial of Service in resolv gem
A denial of service vulnerability has been discovered in the resolv gem bundled with Ruby. The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can craft a malicious DNS packet containing a highly compressed domain name...
Oracle Linux 8 : ruby:3.3 (ELSA-2025-10217)
The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-10217 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 - Fix...
RHSA-2025:10217 Red Hat Security Advisory: ruby:3.3 security update
Bulletin has no description...
ruby:3.3 security update
ruby 3.3.8-4 - Upgrade to Ruby 3.3.8. Resolves: RHEL-68632 - Fix Net::IMAP vulnerable to possible DoS by memory exhaustion. CVE-2025-25186 - Fix Denial of Service in CGI::Cookie.parse. CVE-2025-27219 - Fix userinfo leakage in URIjoin, URImerge and URI+. CVE-2025-27221 rubygem-abrt 0.4.0-1 - Updat...
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...
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...
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...
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...
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...
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 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...
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...
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...