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ALSA-2023:3821 — Moderate: ruby:2.7 security, bug fix, and enhancement update

Affected: AlmaLinux:8: ruby, 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-bson, AlmaLinux:8: rubygem-bson-doc and 21 more

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (2.7). (BZ#2189465)

Security Fix(es):

* ruby/cgi-gem: HTTP response splitting in CGI (CVE-2021-33621) * ruby: ReDoS vulnerability in URI (CVE-2023-28755) * ruby: ReDoS vulnerability in Time (CVE-2023-28756)

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:2023-03870

Withdrawn: BELL-CVE-2023-28755 — CVE-2023-28755 does not affect BellSoft software

Withdrawn by the publisher.

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-KX08240 — Security fix for CVE-2023-28755 applied in: ruby 3.1.4-r0

Affected: CleanStart: ruby

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

EUVD-2026-258972

fkie_cve-2023-28755

A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.

GHSA-hv5j-3h9f-99c2 — Ruby URI component ReDoS issue

Affected: RubyGems: uri

gsd-2023-28755

OESA-2023-1226 — ruby security update

Affected: openEuler:20.03-LTS-SP1: ruby, openEuler:20.03-LTS-SP3: ruby, openEuler:22.03-LTS: ruby, openEuler:22.03-LTS-SP1: 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): A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.(CVE-2023-28756) A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.(CVE-2023-28755)

openSUSE-SU-2024:12828-1 — libruby3_2-3_2-3.2.2-1.1 on GA media

libruby3_2-3_2-3.2.2-1.1 on GA media

RHSA-2023:3291 — Red Hat Security Advisory: rh-ruby27-ruby security, bug fix, and enhancement update

ruby/cgi-gem: HTTP response splitting in CGI ruby: ReDoS vulnerability in URI ruby: ReDoS vulnerability in Time

UBUNTU-CVE-2023-28755

Affected: Ubuntu:Pro:16.04:LTS: ruby2.3, Ubuntu:16.04:LTS: jruby, Ubuntu: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:22.04:LTS: rubygems, Ubuntu:24.04:LTS: jruby, Ubuntu:25.10: jruby and 1 more

WID-SEC-W-2023-0814 — Ruby: Mehrere Schwachstellen ermöglichen Denial of Service

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Ruby ausnutzen, um einen Denial of Service Angriff durchzuführen.