Important: Red Hat Security Advisory: ruby:3.3 security update

An update for the ruby:3.3 module 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...

UBUNTU-CVE-2026-44587

CarrierWave is a framework to upload files from Ruby applications. In versions prior to 2.2.7 and 3.1.3, the contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. In...

RHSA-2026:26312 Red Hat Security Advisory: ruby security update

Bulletin has no description...

SUSE CVE-2026-42257

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled...

CVE-2026-54905

creationtimestamp| type| source ---|---|--- 2026-06-16 21:35:27+00:00| published-proof-of-concept| https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-wv3x-4vxv-whpp...

CVE-2026-54904

creationtimestamp| type| source ---|---|--- 2026-06-16 21:35:21+00:00| published-proof-of-concept| https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-h8w8-99g7-qmvj 2026-06-24 21:35:17+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mp2ungvwp42p 2026-07-20...

CVE-2026-54906

creationtimestamp| type| source ---|---|--- 2026-06-16 21:35:12+00:00| published-proof-of-concept| https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-6wx8-w4f5-wwcr...

erb: ERB: Arbitrary code execution via deserialization bypass

A flaw was found in ERB, a templating system for Ruby. An attacker who can trigger deserialization of untrusted data in a Ruby application can bypass existing protections. This vulnerability allows for arbitrary code execution by exploiting specific public methods that evaluate template source...

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...

SUSE CVE-2026-47167

Vim is an open source, command line text editor. Prior to version 9.2.0496, a code injection vulnerability exists in s:stepmatch in the cucumber filetype plugin runtime/ftplugin/cucumber.vim on Vim builds with +ruby support. Step-definition patterns read from .rb files under the repository's...

RHEL 9 : ruby (RHSA-2026:26312)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26312 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management task...

Critical Photon OS Security Update - PHSA-2026-5.0-91-0882

Updates of 'python3-mako', 'linux', 'python3', 'python3-lxml', 'ruby', 'linux-esx', 'python3-ujson', 'python3-mistune' packages of Photon OS have been released...

Critical Photon OS Security Update - PHSA-2026-5.0-0882

Updates of 'python3-lxml', 'python3-mako', 'linux', 'ruby', 'python3-ujson', 'linux-esx', 'python3-mistune', 'python3' packages of Photon OS have been released...

USN-8431-1: Ruby 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...

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...

SUSE CVE-2026-42258

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. This issue has been patched ...

CVE-2026-47167

Vim is an open source, command line text editor. Prior to version 9.2.0496, a code injection vulnerability exists in s:stepmatch in the cucumber filetype plugin runtime/ftplugin/cucumber.vim on Vim builds with +ruby support. Step-definition patterns read from .rb files under the repository's...

CVE-2026-47167

Vim is an open source, command line text editor. Prior to version 9.2.0496, a code injection vulnerability exists in s:stepmatch in the cucumber filetype plugin runtime/ftplugin/cucumber.vim on Vim builds with +ruby support. Step-definition patterns read from .rb files under the repository's...

UBUNTU-CVE-2026-47167

Vim is an open source, command line text editor. Prior to version 9.2.0496, a code injection vulnerability exists in s:stepmatch in the cucumber filetype plugin runtime/ftplugin/cucumber.vim on Vim builds with +ruby support. Step-definition patterns read from .rb files under the repository's...

CVE-2026-47167

Vim is an open source, command line text editor. Prior to version 9.2.0496, a code injection vulnerability exists in s:stepmatch in the cucumber filetype plugin runtime/ftplugin/cucumber.vim on Vim builds with +ruby support. Step-definition patterns read from .rb files under the repository's...