Moderate: ruby:2.5 security, bug fix, and enhancement update

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 (2.5.9). (BZ#1952626) Security Fix(es): * ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch? (CVE-2019-15845) * ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (CVE-2019-16201) * ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255) * rubygem-json: Unsafe object creation vulnerability in JSON (CVE-2020-10663) * ruby: BasicSocket#read_nonblock method leads to information disclosure (CVE-2020-10933) * ruby: Potential HTTP request smuggling in WEBrick (CVE-2020-25613) * ruby: XML round-trip vulnerability in REXML (CVE-2021-28965) * ruby: HTTP response splitting in WEBrick (CVE-2019-16254) 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.