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ALSA-2025:10217 — Moderate: ruby:3.3 security update

Affected: AlmaLinux:8: ruby, AlmaLinux:8: ruby-bundled-gems, AlmaLinux:8: ruby-default-gems, AlmaLinux:8: ruby-devel, AlmaLinux:8: ruby-doc, AlmaLinux:8: ruby-libs, AlmaLinux:8: rubygem-abrt, AlmaLinux:8: rubygem-abrt-doc, AlmaLinux:8: rubygem-bigdecimal, AlmaLinux:8: rubygem-bundler and 20 more

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):

* net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion (CVE-2025-25186) * CGI: Denial of Service in CGI::Cookie.parse (CVE-2025-27219) * uri: userinfo leakage in URI#join, URI#merge and URI#+ (CVE-2025-27221)

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.

bdu:2025-05129

BREW-uffizzi-CVE-2025-27221 — URI allows for userinfo Leakage in URI#join, URI#merge, and URI#+

Affected: Homebrew: uffizzi

There is a possibility for userinfo leakage by in the uri gem. This vulnerability has been assigned the CVE identifier CVE-2025-27221. We recommend upgrading the uri gem.

## Details

The methods `URI#join`, `URI#merge`, and `URI#+` retained userinfo, such as `user:password`, even after the host is replaced. When generating a URL to a malicious host from a URL containing secret userinfo using these methods, and having someone access that URL, an unintended userinfo leak could occur.

Please update URI gem to version 0.11.3, 0.12.4, 0.13.2, 1.0.3 or later.

## Affected versions

uri gem versions < 0.11.3, 0.12.0 to 0.12.3, 0.13.0, 0.13.1 and 1.0.0 to 1.0.2.

## Credits

Thanks to Tsubasa Irisawa (lambdasawa) for discovering this issue. Also thanks to nobu for additional fixes of this vulnerability.

certfr-2025-avi-0622 — De multiples vulnérabilités ont été découvertes dans les produits VMware. Certaines d'entre elles permettent à un attaq…

certfr-2025-avi-0622

CLEANSTART-2026-JV54364 — Security fix for CVE-2025-27221 applied in: logstash-fips 9.2.4-r2

Affected: CleanStart: logstash-fips

Security vulnerability affects the logstash-fips package. This issue is resolved in later releases. See references for vulnerability details.

EUVD-2026-258267

fkie_cve-2025-27221

In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing the host.

GHSA-22h5-pq3x-2gf2 — URI allows for userinfo Leakage in URI#join, URI#merge, and URI#+

Affected: RubyGems: uri

There is a possibility for userinfo leakage by in the uri gem. This vulnerability has been assigned the CVE identifier CVE-2025-27221. We recommend upgrading the uri gem.

## Details

Please update URI gem to version 0.11.3, 0.12.4, 0.13.2, 1.0.3 or later.

## Affected versions

uri gem versions < 0.11.3, 0.12.0 to 0.12.3, 0.13.0, 0.13.1 and 1.0.0 to 1.0.2.

## Credits

Thanks to Tsubasa Irisawa (lambdasawa) for discovering this issue. Also thanks to nobu for additional fixes of this vulnerability.

msrc_CVE-2025-27221 — In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage…

msrc_CVE-2025-27221

OESA-2025-1244 — ruby security update

Affected: openEuler:20.03-LTS-SP4: ruby

Ruby is a fast and easy interpreted scripting language for object-oriented programming. It has many functions for processing text Files and perform system management tasks (such as Perl). Security Fix(es):

In the CGI gem before 0.4.2 for Ruby, the CGI::Cookie.parse method in the CGI library contains a potential Denial of Service (DoS) vulnerability. The method does not impose any limit on the length of the raw cookie value it processes. This oversight can lead to excessive resource consumption when parsing extremely large cookies.(CVE-2025-27219)

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.(CVE-2025-27220)

RHSA-2025:10217 — security update for ruby

security update for ruby

SUSE-SU-2025:02739-1 — Security update for ruby2.5

Security update for ruby2.5

UBUNTU-CVE-2025-27221

Affected: Ubuntu:Pro:14.04:LTS: jruby, Ubuntu:Pro:16.04:LTS: ruby2.3, Ubuntu:16.04:LTS: jruby, Ubuntu:Pro:18.04:LTS: ruby2.5, Ubuntu:18.04:LTS: jruby, Ubuntu:20.04:LTS: ruby2.7, Ubuntu:20.04:LTS: jruby, Ubuntu:22.04:LTS: ruby3.0, Ubuntu:24.04:LTS: jruby, Ubuntu:24.04:LTS: ruby3.2 and 3 more

WID-SEC-W-2025-0438 — Ruby (CGI und URI gem): Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Ruby ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen und vertrauliche Informationen preiszugeben.