ruby security update

3.3.10-12 - Fix arbitrary code execution via deserialization bypass in ERB. CVE-2026-41316 Resolves: RHEL-171244...

ALSA-2026:18065 Important: ruby 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: erb: ERB: Arbitrary code execution via deserialization bypass CVE-2026-41316 For more details about the security issues, including...

Amazon Linux 2023 : ruby3.4, ruby3.4-bundled-gems, ruby3.4-default-gems (ALAS2023-2026-1690)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1690 advisory. ERB is a templating system for Ruby. Ruby 2.7.0 before ERB 2.2.0 was published on rubygems.org introduced an @init instance variable guard in ERBresult and ERBrun to prevent code execution when an ERB...

CVE-2026-42245

A flaw was found in Net::IMAP, a Ruby library implementing the Internet Message Access Protocol IMAP client functionality. A hostile server can exploit a quadratic time complexity issue in the Net::IMAP::ResponseReader when processing large responses containing numerous string literals. This can...

OESA-2026-2285 rubygem-yard security update

YARD is a documentation generation tool for the Ruby programming language. It enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily, and also supports extending for custom Ruby constructs such as custom class level definitions...

Important: ruby3.4

Issue Overview: ERB is a templating system for Ruby. Ruby 2.7.0 before ERB 2.2.0 was published on rubygems.org introduced an @init instance variable guard in ERBresult and ERBrun to prevent code execution when an ERB object is reconstructed via Marshal.load deserialization. However, three other...

EUVD-2026-30330

cssparser is a Ruby CSS parser. Prior to 2.1.0 and 1.22.0, the CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning...

CVE-2026-44312

cssparser is a Ruby CSS parser. Prior to 2.1.0 and 1.22.0, the CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning...

CVE-2026-44312

cssparser is a Ruby CSS parser. Prior to 2.1.0 and 1.22.0, the CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning...

CVE-2026-44312 css_parser allows to MITM included https css urls

cssparser is a Ruby CSS parser. Prior to 2.1.0 and 1.22.0, the CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning...

Security Bulletin: Multiple vulnerabilities have been addressed in IBM Aspera Shares

Summary Multiple vulnerabilities have been addressed in IBM Aspera Shares Version 1.11.2 Vulnerability Details CVEID:CVE-2026-33168 DESCRIPTION: Action View provides conventions and helpers for building web pages with the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when a...

Malicious Package

Overview knot-rspec-formatter-json is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-rails-assets-pipeline is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-activesupport-logger is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-simple-formatter is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-devise-jwt-helper is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Important: ruby

Issue Overview: ERB is a templating system for Ruby. Ruby 2.7.0 before ERB 2.2.0 was published on rubygems.org introduced an @init instance variable guard in ERBresult and ERBrun to prevent code execution when an ERB object is reconstructed via Marshal.load deserialization. However, three other...

Ruby CSS Parser 信任管理问题漏洞

Ruby CSS Parser is an open-source tool developed by premailer, used for loading, parsing, and cascading CSS rule sets. Versions of Ruby CSS Parser prior to 2.1.0 and 1.22.0 had a trust management vulnerability. This vulnerability stemmed from unvalidated HTTPS connections, where connections were...

TencentOS Server 4: ruby (TSSA-2026:0297)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0297 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

Amazon Linux 2 : ruby, --advisory ALAS2-2026-3284 (ALAS-2026-3284)

The version of ruby installed on the remote host is prior to 2.0.0.648-36. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3284 advisory. ERB is a templating system for Ruby. Ruby 2.7.0 before ERB 2.2.0 was published on rubygems.org introduced an @init instance...