EUVD-2026-90197

Kobako is a Ruby gem that embeds a Wasm-isolated mruby interpreter inside applications, allowing execution of untrusted Ruby scripts LLM-generated code, user formulas, student submissions, third-party plugins in-process without giving them access to host memory, files, network, or credentials. Fr...

CVE-2026-55107 Kobako Vulnerable to Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service)

Kobako is a Ruby gem that embeds a Wasm-isolated mruby interpreter inside applications, allowing execution of untrusted Ruby scripts LLM-generated code, user formulas, student submissions, third-party plugins in-process without giving them access to host memory, files, network, or credentials. Fr...

resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses

A flaw was found in the resolv gem. An attacker controlling DNS responses e.g., a spoofed response or a malicious upstream DNS server can exploit this by sending crafted DNS responses containing many distinct unknown DNS resource record pairs or SvcParamKeys. This leads to uncontrolled memory...

RHEL 9 : ruby:4.0 (RHSA-2026:72484)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:72484 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management task...

RHEL 8 : ruby:2.5 (RHSA-2026:73519)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:73519 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

AlmaLinux 9.6 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.6:CLSA-2026:1768314331)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1768314331 advisory. - In the URI gem before 1.0.3 for Ruby, the URI handling methods URI.join, URImerge, URI+ have an inadvertent leakage of authentication...

Rocky Linux 9.6 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.6:CLSA-2026:1768314331)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1768314331 advisory. - In the URI gem before 1.0.3 for Ruby, the URI handling methods URI.join, URImerge, URI+ have an inadvertent leakage of authentication...

CVE-2021-33564

CVE-2021-33564 PoC Эксплойт-скрипт для CVE-2021-33564 внедрение аргументов в Ruby-гем Dragonfly. Использование Произвольное чтение файлов python3 poc.py -u https:///system/refinery/images -r /etc/passwd Произвольная запись файлов python3 poc.py -u https:///system/refinery/images -w public/test.tx...

RLSA-2026:72427 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: resolv: resolv gem: Denial of Service via uncontrolle...

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...

CVE-2026-82455

This flaw has been rejected by upstream RubyGems maintainers...

RLSA-2026:72286 Important: ruby security, bug fix, and enhancement 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: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Bug Fixes and...

ruby security, bug fix, and enhancement update

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

ROS-20260929-73-0198

The vulnerability of the drm/i915/gem component of the Linux operating system is related to pointer arithmetic errors. Exploiting this vulnerability could allow a hacker to cause a service failure...

RockyLinux 9 : ruby:3.3 (RLSA-2026:72485)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:72485 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description...

RockyLinux 8 : ruby:3.3 (RLSA-2026:72285)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:72285 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description...

RHEL 10 : ruby4.0 (RHSA-2026:72427)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:72427 advisory. Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do...

RHEL 9 : ruby:3.3 (RHSA-2026:72485)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:72485 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management task...

RockyLinux 9 : ruby:4.0 (RLSA-2026:72484)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:72484 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description...

RockyLinux 9 : ruby (RLSA-2026:72286)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:72286 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Bug Fixes and Enhancements: ruby %check fails in...