Astra Linux – Vulnerability in Ruby 2.5

REXML is an XML toolkit for Ruby. The REXML gem before version 3.3.1 has some DoS vulnerabilities when it parses XML that contains many special characters such as . If you need to parse untrusted XMLs, you may be affected by these vulnerabilities. The REXML gem version 3.3.2 or later includes...

CVE-2026-63263 vulnerabilities

Vulnerabilities for packages: ruby3.4-elasticsearch, ruby3.3-elasticsearch, ruby3.2-elasticsearch, ruby4.0-elasticsearch...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: ruby3.3: ruby3.3-3.3.10-23.4.hum1 aarch64, x8664 ruby3.3-bundled-gems-3.3.10-23.4.hum1 aarch64, x8664 ruby3.3-default-gems-3.3.10-23.4.hum1 noarch ruby3.3-devel-3.3.10-23.4.hum1 aarch64, x8664...

RHEL 9 : ruby:3.3 (RHSA-2026:37238)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:37238 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

Oracle Linux 9 : ruby:3.3 (ELSA-2026-33576)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-33576 advisory. - Fix DoS via crafted IMAP responses in net-imap. CVE-2026-42245 Resolves: RHEL-181693 - Fix information disclosure via MITM attack bypassing TLS in...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: ruby3.4: ruby3.4-3.4.8-31.3.hum1 aarch64, x8664 ruby3.4-bundled-gems-3.4.8-31.3.hum1 aarch64, x8664 ruby3.4-default-gems-3.4.8-31.3.hum1 noarch ruby3.4-devel-3.4.8-31.3.hum1 aarch64, x8664...

AlmaLinux 9 : ruby:3.3 (ALSA-2026:33576)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:33576 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol...

ALSA-2025:23062 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: resolv: Denial of Service in resolv gem CVE-2025-24294 rexml: REXML denial of service CVE-2025-58767 For more details about the...

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: resolv: Denial of Service in resolv gem CVE-2025-24294 rexml: REXML denial of service CVE-2025-58767 For more details about the...

Regular Expression Denial of Service (ReDoS)

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...