AlmaLinux alert ALSA-2026:20606 (ruby4.0)

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[Announce]  [Security Advisory] ALSA-2026:20606: ruby4.0 security update (Important)
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Thu, 04 Jun 2026 12:03:32 +0000
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<0100019e92846c31-b6335b06-d81e-4a2f-9f46-acfacbd1f13a-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 10
Type: Security
Severity: Important
Release date: 2026-06-04

Summary:

Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has
many features to process text files and to do system management tasks (as in Perl). It is simple,
straight-forward, and extensible.  

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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/10/ALSA-2026-20606.html

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AlmaLinux Team
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