Oracle Linux 10 : ruby4.0 (ELSA-2026-20606)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20606 advisory. - Fix Net::IMAP ResponseReader quadratic complexity vulnerability CVE-2026-42245 Includes core fix plus additional performance optimizations Resolves...

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: ruby3.4-3.4.10-31.hum1 aarch64, x8664 ruby3.4-bundled-gems-3.4.10-31.hum1 aarch64, x8664 ruby3.4-default-gems-3.4.10-31.hum1 noarch ruby3.4-devel-3.4.10-31.hum1 aarch64, x8664...

Important: ruby

Issue Overview: Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in...

RHEL 8 : ruby:2.5 (RHSA-2026:35867)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:35867 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

RHEL 8 : ruby:2.5 (RHSA-2026:35866)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:35866 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

ruby4.0 security update

An update is available for ruby4.0. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Ruby is the interpreted scripting language for quick and easy object-oriente...

AlmaLinux 9 : ruby (ALSA-2026:33512)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:33512 advisory. ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments CVE-2026-42258 net-imap: ruby: Net::IMAP: Information disclosure via...

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: ruby3.3-3.3.10-23.2.hum1 aarch64, x8664 ruby3.3-bundled-gems-3.3.10-23.2.hum1 aarch64, x8664 ruby3.3-default-gems-3.3.10-23.2.hum1 noarch ruby3.3-devel-3.3.10-23.2.hum1 aarch64, x8664...

ruby:2.5 security update

An update is available for module.rubygem-abrt, rubygem-bson, rubygem-mongo, module.ruby, module.rubygem-mysql2, module.rubygem-mongo, rubygem-mysql2, ruby, rubygem-pg, module.rubygem-bson, rubygem-abrt, rubygem-bundler, module.rubygem-pg, module.rubygem-bundler. This update affects Rocky Linux 8...

ruby:3.3 security update

An update is available for module.rubygem-abrt, module.ruby, module.rubygem-mysql2, module.rubygem-pg, rubygem-mysql2, ruby, rubygem-abrt, rubygem-pg. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

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: ruby3.4-3.4.8-31.2.hum1 aarch64, x8664 ruby3.4-bundled-gems-3.4.8-31.2.hum1 aarch64, x8664 ruby3.4-default-gems-3.4.8-31.2.hum1 noarch ruby3.4-devel-3.4.8-31.2.hum1 aarch64, x8664...

Important: Red Hat Security Advisory: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

RHEL 10 : ruby4.0 (RHSA-2026:33540)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:33540 advisory. Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and ...

USN-8431-1 ruby2.3, ruby2.5 vulnerabilities

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

Amazon Linux 2023 : ruby4.0, ruby4.0-bundled-gems, ruby4.0-default-gems (ALAS2023-2026-1806)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1806 advisory. Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause...

Linux Distros Unpatched Vulnerability : CVE-2026-42246

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middl...

CVE-2026-42246 net-imap vulnerable to STARTTLS stripping via invalid response timing

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in versions 0.3.10,...

CVE-2026-42246 vulnerabilities

Vulnerabilities for packages: kube-fluentd-operator, ruby4.0-net-imap, ruby3.2-net-imap, logstash, jruby, ruby3.2-rails, ruby3.4-rails, kube-logging-operator, ruby3.3-net-imap, ruby3.3-rails, ruby3.4-net-imap, ruby4.0-rails...

CVE-2026-42246 vulnerabilities

Vulnerabilities for packages: ruby3.4-rails, ruby3.2-rails, ruby3.3-net-imap, logstash, ruby4.0-net-imap, ruby4.0-rails, kube-logging-operator, ruby3.3-rails, gitlab-rails-ce-fips, logstash-fips, ruby3.2-net-imap, ruby3.4-net-imap, gitlab-rails-ce, kube-fluentd-operator, truffleruby, jruby...