SUSE-SU-2026:3556-1: important: Security update for ruby2.5

[SLE-SECURITY-UPDATES]

# Security update for ruby2.5

Announcement ID: SUSE-SU-2026:3556-1  
Release Date: 2026-08-10T17:56:49Z  
Rating: important  
References:

  * bsc#1262441

  
Cross-References:

  * CVE-2026-41316

  
CVSS scores:

  * CVE-2026-41316 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-41316 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-41316 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for ruby2.5 fixes the following issue

  * CVE-2026-41316: erb: @_init deserialization guard bypass via def_module /
    def_method / def_class (bsc#1262441).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3556=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * ruby2.5-2.5.9-150700.24.11.1
    * libruby2_5-2_5-debuginfo-2.5.9-150700.24.11.1
    * ruby2.5-devel-extra-2.5.9-150700.24.11.1
    * ruby2.5-stdlib-debuginfo-2.5.9-150700.24.11.1
    * ruby2.5-stdlib-2.5.9-150700.24.11.1
    * libruby2_5-2_5-2.5.9-150700.24.11.1
    * ruby2.5-debugsource-2.5.9-150700.24.11.1
    * ruby2.5-debuginfo-2.5.9-150700.24.11.1
    * ruby2.5-devel-2.5.9-150700.24.11.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-41316.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262441

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