RLSA-2026:33540 Important: ruby4.0 security update

Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks as in Perl. It is simple, straight-forward, and extensible. Security Fixes: ruby: net-imap: Net::IMAP: Denial of Service via...

ruby security update

An update is available for ruby. 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 an extensible, interpreted, object-oriented, scripting language. It has...

ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments

A flaw was found in Net::IMAP, a Ruby library that provides Internet Message Access Protocol IMAP client functionality. This vulnerability allows a remote attacker to inject arbitrary IMAP commands. This is achieved by passing specially crafted symbol arguments to IMAP commands. Successful...

AlmaLinux 8 : ruby:3.3 (ALSA-2026:33515)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:33515 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...

AlmaLinux 8 : ruby:2.5 (ALSA-2026:33514)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:33514 advisory. ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments CVE-2026-42258 net-imap: ruby: Net::IMAP: Information disclosure via...

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...

Oracle Linux 8 : ruby:3.3 (ELSA-2026-33515)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-33515 advisory. - Fix DoS via crafted IMAP responses in net-imap. CVE-2026-42245 Resolves: RHEL-181682 - Fix information disclosure via MITM attack bypassing TLS in...

ruby:3.3 security update

ruby 3.3.10-7 - Fix DoS via crafted IMAP responses in net-imap. CVE-2026-42245 Resolves: RHEL-181693 - Fix information disclosure via MITM attack bypassing TLS in net-imap. CVE-2026-42246 Resolves: RHEL-181779 - Fix command injection via Symbol arguments in net-imap. CVE-2026-42258 Resolves:...

CVE-2026-47241

A flaw was found in Net::IMAP, a Ruby client library for the Internet Message Access Protocol IMAP. This vulnerability allows a remote attacker to cause a denial of service by sending specially crafted input to certain Net::IMAP commands. When a raw string argument, derived from user-controlled...

Important: Red Hat Security Advisory: ruby:2.5 security update

An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

RLSA-2026:33576 Important: 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: ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Comman...

ruby:3.3 security update

An update is available for module.ruby, module.rubygem-mysql2, module.rubygem-pg, rubygem-mysql2, ruby, rubygem-pg. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE li...

AlmaLinux 9 : ruby:4.0 (ALSA-2026:33577)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:33577 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...

ruby:3.3 security update

ruby 3.3.10-7 - Fix DoS via crafted IMAP responses in net-imap. CVE-2026-42245 Resolves: RHEL-181682 - Fix information disclosure via MITM attack bypassing TLS in net-imap. CVE-2026-42246 Resolves: RHEL-181759 - Fix command injection via Symbol arguments in net-imap. CVE-2026-42258 Resolves:...

RHEL 9 : ruby (RHSA-2026:33630)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:33630 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

RHEL 9 : ruby:3.3 (RHSA-2026:33576)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:33576 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

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...

RHEL 8 : ruby:2.5 (RHSA-2026:34076)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34076 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

RockyLinux 9 : ruby:4.0 (RLSA-2026:33577)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:33577 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...

ruby:4.0 security update

ruby 4.0.3-33 - Fix Net::IMAP ResponseReader quadratic complexity vulnerability. CVE-2026-42245 Resolves: RHEL-181690 - Fix Net::IMAP STARTTLS stripping vulnerability. CVE-2026-42246 Resolves: RHEL-181771 - Fix Net::IMAP command injection vulnerability via unvalidated Symbol arguments...