RHSA-2026:33576 Red Hat Security Advisory: ruby:3.3 security update

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RHSA-2026:33565 Red Hat Security Advisory: ruby security update

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RHSA-2026:33540 Red Hat Security Advisory: ruby4.0 security update

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RHSA-2026:33514 Red Hat Security Advisory: ruby:2.5 security update

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RHSA-2026:33515 Red Hat Security Advisory: ruby:3.3 security update

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RHSA-2026:33512 Red Hat Security Advisory: ruby security update

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RHSA-2026:33478 Red Hat Security Advisory: ruby security update

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RHSA-2026:33462 Red Hat Security Advisory: ruby security update

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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...

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...

ruby:4.0 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...

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...

CVE-2026-57234 affecting package rubygem-nokogiri for versions less than 1.19.4-1

CVE-2026-57234 affecting package rubygem-nokogiri for versions less than 1.19.4-1. An upgraded version of the package is available that resolves this issue...

CVE-2026-54906 affecting package rubygem-concurrent-ruby for versions less than 1.3.7-1

CVE-2026-54906 affecting package rubygem-concurrent-ruby for versions less than 1.3.7-1. An upgraded version of the package is available that resolves this issue...

CVE-2026-57436 affecting package rubygem-nokogiri for versions less than 1.19.4-1

CVE-2026-57436 affecting package rubygem-nokogiri for versions less than 1.19.4-1. An upgraded version of the package is available that resolves this issue...

CVE-2026-54905 affecting package rubygem-concurrent-ruby for versions less than 1.3.7-1

CVE-2026-54905 affecting package rubygem-concurrent-ruby for versions less than 1.3.7-1. An upgraded version of the package is available that resolves this issue...

CVE-2026-57235 affecting package rubygem-nokogiri for versions less than 1.19.4-1

CVE-2026-57235 affecting package rubygem-nokogiri for versions less than 1.19.4-1. An upgraded version of the package is available that resolves this issue...

DEBIAN-CVE-2026-54899

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, disabling symbolkeys on a reused Oj::Parser instance triggers a heap use-after-free. When symbolkeys is toggled from true to false, optsymbolkeysset frees the internal key cache cachefree but...

DEBIAN-CVE-2026-54898

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2,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...

DEBIAN-CVE-2026-54900

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, when in usual mode with createid enabled, Oj::Parserparse is vulnerable to heap corruption via a negative-size memcpy. When a JSON object key is exactly 65,535 bytes long, an integer...