Issued at: 2026-05-28
Updated at: 2026-05-29
Synopsis
Important: ruby:4.0 security update
Description
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/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection (CVE-2026-33210)
* erb: ERB: Arbitrary code execution via deserialization bypass (CVE-2026-41316)
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.