Red Hat alert RHSA-2025:4488-01 (ruby:3.1)

An update for the ruby:3.1 module is now available for Red Hat Enterprise
Linux 9.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

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):

* rexml: DoS vulnerability in REXML (CVE-2024-39908)

* rexml: rubygem-rexml: DoS when parsing an XML having many specific
characters such as whitespace character, >] and ]> (CVE-2024-41123)

* rexml: DoS vulnerability in REXML (CVE-2024-41946)

* rexml: DoS vulnerability in REXML (CVE-2024-43398)

* CGI: ReDoS in CGI::Util#escapeElement (CVE-2025-27220)

* 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.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_4488.json