RHSA-2026:34076: Important: ruby:2.5 security update

Q: What is the severity of RHSA-2026:34076?

The severity of RHSA-2026:34076 is high with a score of 7.

Q: How do I fix RHSA-2026:34076?

To fix RHSA-2026:34076, update the affected Ruby packages using your package manager.

Q: What security issue does RHSA-2026:34076 address?

RHSA-2026:34076 addresses an IMAP Command Injection vulnerability in ruby/net-imap (CVE-2026-42258).

Q: Which software components are affected by RHSA-2026:34076?

The affected software components include redhat/ruby, redhat/rubygem-bson, redhat/rubygem-mysql2, redhat/rubygem-pg, and others.

Q: When was RHSA-2026:34076 published?

RHSA-2026:34076 was published on July 1, 2026.

Published Jul 1, 2026

Updated

Important: ruby:2.5 security update

Other sources

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.Security Fix(es): ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments (CVE-2026-42258) net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS (CVE-2026-42246) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

— Red Hat

Affected Software

95 affected componentsFixes available

Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension

Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions

Red Hat Red Hat Enterprise Linux Server - TUS

Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions

redhat/ruby<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-abrt<0.3.0-4.module+el8.1.0+3656+f80bfa1d

0.3.0-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bson<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bundler<1.16.1-4.module+el8.6.0+14229+2452087f

1.16.1-4.module+el8.6.0+14229+2452087f

redhat/rubygem-mongo<2.5.1-2.module+el8.1.0+3656+f80bfa1d

2.5.1-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mysql2<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-pg<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/ruby<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-debuginfo<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-debuginfo<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-debugsource<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-debugsource<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-devel<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-devel<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-doc<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-irb<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-libs<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-libs<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-libs-debuginfo<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-libs-debuginfo<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-abrt<0.3.0-4.module+el8.1.0+3656+f80bfa1d

0.3.0-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-abrt-doc<0.3.0-4.module+el8.1.0+3656+f80bfa1d

0.3.0-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bigdecimal<1.3.4-112.module+el8.8.0+24452+e70e99ef

1.3.4-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-bigdecimal<1.3.4-112.module+el8.8.0+24452+e70e99ef

1.3.4-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-bigdecimal-debuginfo<1.3.4-112.module+el8.8.0+24452+e70e99ef

1.3.4-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-bigdecimal-debuginfo<1.3.4-112.module+el8.8.0+24452+e70e99ef

1.3.4-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-bson<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bson-debuginfo<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bson-debugsource<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bson-doc<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bundler<1.16.1-4.module+el8.6.0+14229+2452087f

1.16.1-4.module+el8.6.0+14229+2452087f

redhat/rubygem-bundler-doc<1.16.1-4.module+el8.6.0+14229+2452087f

1.16.1-4.module+el8.6.0+14229+2452087f

redhat/rubygem-io-console<0.4.6-112.module+el8.8.0+24452+e70e99ef

0.4.6-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-io-console<0.4.6-112.module+el8.8.0+24452+e70e99ef

0.4.6-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-io-console-debuginfo<0.4.6-112.module+el8.8.0+24452+e70e99ef

0.4.6-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-io-console-debuginfo<0.4.6-112.module+el8.8.0+24452+e70e99ef

0.4.6-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-json<2.1.0-112.module+el8.8.0+24452+e70e99ef

2.1.0-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-json<2.1.0-112.module+el8.8.0+24452+e70e99ef

2.1.0-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-json-debuginfo<2.1.0-112.module+el8.8.0+24452+e70e99ef

2.1.0-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-json-debuginfo<2.1.0-112.module+el8.8.0+24452+e70e99ef

2.1.0-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-minitest<5.10.3-112.module+el8.8.0+24452+e70e99ef

5.10.3-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-mongo<2.5.1-2.module+el8.1.0+3656+f80bfa1d

2.5.1-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mongo-doc<2.5.1-2.module+el8.1.0+3656+f80bfa1d

2.5.1-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mysql2<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mysql2-debuginfo<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mysql2-debugsource<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mysql2-doc<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-net-telnet<0.1.1-112.module+el8.8.0+24452+e70e99ef

0.1.1-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-openssl<2.1.2-112.module+el8.8.0+24452+e70e99ef

2.1.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-openssl<2.1.2-112.module+el8.8.0+24452+e70e99ef

2.1.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-openssl-debuginfo<2.1.2-112.module+el8.8.0+24452+e70e99ef

2.1.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-openssl-debuginfo<2.1.2-112.module+el8.8.0+24452+e70e99ef

2.1.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-pg<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-pg-debuginfo<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-pg-debugsource<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-pg-doc<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-psych<3.0.2-112.module+el8.8.0+24452+e70e99ef

3.0.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-psych<3.0.2-112.module+el8.8.0+24452+e70e99ef

3.0.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-psych-debuginfo<3.0.2-112.module+el8.8.0+24452+e70e99ef

3.0.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-psych-debuginfo<3.0.2-112.module+el8.8.0+24452+e70e99ef

3.0.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-rake<12.3.3-112.module+el8.8.0+24452+e70e99ef

12.3.3-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-rdoc<6.0.1.1-112.module+el8.8.0+24452+e70e99ef

6.0.1.1-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-test-unit<3.2.7-112.module+el8.8.0+24452+e70e99ef

3.2.7-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-xmlrpc<0.3.0-112.module+el8.8.0+24452+e70e99ef

0.3.0-112.module+el8.8.0+24452+e70e99ef

redhat/rubygems<2.7.6.3-112.module+el8.8.0+24452+e70e99ef

2.7.6.3-112.module+el8.8.0+24452+e70e99ef

redhat/rubygems-devel<2.7.6.3-112.module+el8.8.0+24452+e70e99ef

2.7.6.3-112.module+el8.8.0+24452+e70e99ef

redhat/ruby<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-debuginfo<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-debugsource<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-devel<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-libs<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/ruby-libs-debuginfo<2.5.9-112.module+el8.8.0+24452+e70e99ef

2.5.9-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-bigdecimal<1.3.4-112.module+el8.8.0+24452+e70e99ef

1.3.4-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-bigdecimal-debuginfo<1.3.4-112.module+el8.8.0+24452+e70e99ef

1.3.4-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-bson<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bson-debuginfo<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-bson-debugsource<4.3.0-2.module+el8.1.0+3656+f80bfa1d

4.3.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-io-console<0.4.6-112.module+el8.8.0+24452+e70e99ef

0.4.6-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-io-console-debuginfo<0.4.6-112.module+el8.8.0+24452+e70e99ef

0.4.6-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-json<2.1.0-112.module+el8.8.0+24452+e70e99ef

2.1.0-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-json-debuginfo<2.1.0-112.module+el8.8.0+24452+e70e99ef

2.1.0-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-mysql2<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mysql2-debuginfo<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-mysql2-debugsource<0.4.10-4.module+el8.1.0+3656+f80bfa1d

0.4.10-4.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-openssl<2.1.2-112.module+el8.8.0+24452+e70e99ef

2.1.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-openssl-debuginfo<2.1.2-112.module+el8.8.0+24452+e70e99ef

2.1.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-pg<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-pg-debuginfo<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-pg-debugsource<1.0.0-2.module+el8.1.0+3656+f80bfa1d

1.0.0-2.module+el8.1.0+3656+f80bfa1d

redhat/rubygem-psych<3.0.2-112.module+el8.8.0+24452+e70e99ef

3.0.2-112.module+el8.8.0+24452+e70e99ef

redhat/rubygem-psych-debuginfo<3.0.2-112.module+el8.8.0+24452+e70e99ef

3.0.2-112.module+el8.8.0+24452+e70e99ef

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade redhat/ruby to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-abrt to a version that resolves this vulnerability.
Fixed in 0.3.0-4.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-bson to a version that resolves this vulnerability.
Fixed in 4.3.0-2.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-bundler to a version that resolves this vulnerability.
Fixed in 1.16.1-4.module+el8.6.0+14229+2452087f
Upgrade
Upgrade redhat/rubygem-mongo to a version that resolves this vulnerability.
Fixed in 2.5.1-2.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-mysql2 to a version that resolves this vulnerability.
Fixed in 0.4.10-4.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-pg to a version that resolves this vulnerability.
Fixed in 1.0.0-2.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/ruby-debuginfo to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/ruby-debugsource to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/ruby-devel to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/ruby-doc to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/ruby-irb to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/ruby-libs to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/ruby-libs-debuginfo to a version that resolves this vulnerability.
Fixed in 2.5.9-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-abrt-doc to a version that resolves this vulnerability.
Fixed in 0.3.0-4.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-bigdecimal to a version that resolves this vulnerability.
Fixed in 1.3.4-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-bigdecimal-debuginfo to a version that resolves this vulnerability.
Fixed in 1.3.4-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-bson-debuginfo to a version that resolves this vulnerability.
Fixed in 4.3.0-2.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-bson-debugsource to a version that resolves this vulnerability.
Fixed in 4.3.0-2.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-bson-doc to a version that resolves this vulnerability.
Fixed in 4.3.0-2.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-bundler-doc to a version that resolves this vulnerability.
Fixed in 1.16.1-4.module+el8.6.0+14229+2452087f
Upgrade
Upgrade redhat/rubygem-io-console to a version that resolves this vulnerability.
Fixed in 0.4.6-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-io-console-debuginfo to a version that resolves this vulnerability.
Fixed in 0.4.6-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-json to a version that resolves this vulnerability.
Fixed in 2.1.0-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-json-debuginfo to a version that resolves this vulnerability.
Fixed in 2.1.0-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-minitest to a version that resolves this vulnerability.
Fixed in 5.10.3-112.module+el8.8.0+24452+e70e99ef
Upgrade
Upgrade redhat/rubygem-mongo-doc to a version that resolves this vulnerability.
Fixed in 2.5.1-2.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-mysql2-debuginfo to a version that resolves this vulnerability.
Fixed in 0.4.10-4.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-mysql2-debugsource to a version that resolves this vulnerability.
Fixed in 0.4.10-4.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-mysql2-doc to a version that resolves this vulnerability.
Fixed in 0.4.10-4.module+el8.1.0+3656+f80bfa1d
Upgrade
Upgrade redhat/rubygem-net-telnet to a version that resolves this vulnerability.
Fixed in 0.1.1-112.module+el8.8.0+24452+e70e99ef
Upgrade
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Fixed in 2.1.2-112.module+el8.8.0+24452+e70e99ef
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Upgrade redhat/rubygem-openssl-debuginfo to a version that resolves this vulnerability.
Fixed in 2.1.2-112.module+el8.8.0+24452+e70e99ef
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Upgrade redhat/rubygem-pg-debuginfo to a version that resolves this vulnerability.
Fixed in 1.0.0-2.module+el8.1.0+3656+f80bfa1d
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Upgrade redhat/rubygem-pg-debugsource to a version that resolves this vulnerability.
Fixed in 1.0.0-2.module+el8.1.0+3656+f80bfa1d
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Upgrade redhat/rubygem-pg-doc to a version that resolves this vulnerability.
Fixed in 1.0.0-2.module+el8.1.0+3656+f80bfa1d
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Upgrade redhat/rubygem-psych to a version that resolves this vulnerability.
Fixed in 3.0.2-112.module+el8.8.0+24452+e70e99ef
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Fixed in 3.0.2-112.module+el8.8.0+24452+e70e99ef
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Upgrade redhat/rubygem-rake to a version that resolves this vulnerability.
Fixed in 12.3.3-112.module+el8.8.0+24452+e70e99ef
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Fixed in 6.0.1.1-112.module+el8.8.0+24452+e70e99ef
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Fixed in 3.2.7-112.module+el8.8.0+24452+e70e99ef
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Fixed in 0.3.0-112.module+el8.8.0+24452+e70e99ef
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Fixed in 2.7.6.3-112.module+el8.8.0+24452+e70e99ef
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Upgrade redhat/rubygems-devel to a version that resolves this vulnerability.
Fixed in 2.7.6.3-112.module+el8.8.0+24452+e70e99ef

Event History

Jul 1, 2026

Advisory Published

via Red Hat·12:00 AM

Data Sourced

via Red Hat·12:00 AM

RemedyDescriptionAffected Software

Advisory Published

via Red Hat·07:17 AM

Data Sourced

via Red Hat·07:17 AM

Severity

Frequently Asked Questions

What is the severity of RHSA-2026:34076?

The severity of RHSA-2026:34076 is high with a score of 7.

How do I fix RHSA-2026:34076?

To fix RHSA-2026:34076, update the affected Ruby packages using your package manager.

What security issue does RHSA-2026:34076 address?

RHSA-2026:34076 addresses an IMAP Command Injection vulnerability in ruby/net-imap (CVE-2026-42258).

Which software components are affected by RHSA-2026:34076?

The affected software components include redhat/ruby, redhat/rubygem-bson, redhat/rubygem-mysql2, redhat/rubygem-pg, and others.

When was RHSA-2026:34076 published?

RHSA-2026:34076 was published on July 1, 2026.

RHSA-2026:34076: Important: ruby:2.5 security update

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Affected Software

Remediation

Event History

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Frequently Asked Questions

What is the severity of RHSA-2026:34076?

How do I fix RHSA-2026:34076?

What security issue does RHSA-2026:34076 address?

Which software components are affected by RHSA-2026:34076?

When was RHSA-2026:34076 published?

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