RHEL 9 : ruby:3.3 (RHSA-2026:26655)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26655 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management task...

PT-2026-51090

Name of the Vulnerable Software and Affected Versions concurrent-ruby versions prior to 1.3.7 Description The Concurrent::AtomicReferenceupdate function can enter a permanent busy retry loop when the current value is Float::NAN. This occurs due to the interaction between AtomicReferenceupdate,...

Oj - Use-After-Free in Oj::Parser SAJ Callback via Input Mutation

Summary Oj::Parserparse is vulnerable to a heap use-after-free when a SAJ/SAJ2 callback mutates the input JSON string during parsing. The C engine holds a raw const byte pointer into the Ruby string's internal buffer. If a callback e.g. hashstart resizes the string — for example by calling...

Oj - intern.c form_attr (uninitialized stack read)

Summary Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surface to the caller, disclosing process stack memory. Impact Information disclosure of process stack memor...

PT-2026-51091

Name of the Vulnerable Software and Affected Versions concurrent-ruby versions prior to 1.3.7 Description Concurrent::ReentrantReadWriteLock can incorrectly grant a write lock after a single thread acquires the read lock 32,768 times. The lock manages a thread's local read and write hold counts...

PT-2026-51083

Name of the Vulnerable Software and Affected Versions Oj versions prior to 3.17.2 Description Oj::Doc iterators each value, each child, each leaf are subject to a heap use-after-free. This occurs when a Ruby block yielded during iteration calls doc.close or d.close, causing the document's heap...

Security Bulletin: Open Source Sprockets Sprockets Vulnerability (CVE-2014-7819)

Question Security Bulletin: Open Source Sprockets Sprockets Vulnerability CVE-2014-7819 "Business Unit":"code":"BU059","label":"IBM Software w/o TPS","Product":"code":"SS8NDZ","label":"IBM Aspera","Component":"","Platform":"code":"PF025","label":"Platform Independent","Version":"All...

RHSA-2026:26655 Red Hat Security Advisory: ruby:3.3 security update

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Malicious code in final-poc-usa (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 6cc39e355e69ec11b0532da1e2b2a418601a4c5594b100ba6f054f0e52be44be The OpenSSF Package Analysis project identified 'final-poc-usa' @ 0.99800.0 rubygems as malicious. It is considered malicious because: - The...

Malicious code in final-shoaib (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis f67c342dc8bb7b3c1a396b89796f09865373db04cd9b08034e6087bf47b324ef The OpenSSF Package Analysis project identified 'final-shoaib' @ 1.0.0 rubygems as malicious. It is considered malicious because: - The package...

Ruby net-imap < 0.5.15 / 0.6.x < 0.6.4.1 Multiple Vulnerabilities

The version of the net-imap Ruby library installed on the remote host is prior to 0.5.15, or 0.6.x prior to 0.6.4.1. It is, therefore, affected by multiple vulnerabilities. - Several Net::IMAP commands accept a raw data argument that is sent verbatim after validation to prevent command injection...

Vim < 9.2.0496 Code Injection (GHSA-4473-94jm-w5x9)

The version of Vim installed on the remote host is prior to 9.2.0496. It is, therefore, affected by a vulnerability as referenced in the GHSA-4473-94jm-w5x9 advisory. - A code injection vulnerability exists in s:stepmatch in the cucumber filetype plugin runtime/ftplugin/cucumber.vim on Vim builds...

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

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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...