SUSE-SU-2025:02739-1: moderate: Security update for ruby2.5

[SLE-UPDATES]

# Security update for ruby2.5

Announcement ID: SUSE-SU-2025:02739-1  
Release Date: 2025-08-08T09:11:30Z  
Rating: moderate  
References:

  * bsc#1237805
  * bsc#1245254

  
Cross-References:

  * CVE-2025-27221
  * CVE-2025-6442

  
CVSS scores:

  * CVE-2025-27221 ( SUSE ):  5.9
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-27221 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
  * CVE-2025-27221 ( NVD ):  3.2 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
  * CVE-2025-27221 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2025-6442 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
  * CVE-2025-6442 ( NVD ):  6.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

  
Affected Products:

  * Basesystem Module 15-SP6
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP6
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for ruby2.5 fixes the following issues:

  * CVE-2025-6442: Fixed read_header HTTP Request Smuggling Vulnerability in
    WEBrick (bsc#1245254)
  * CVE-2025-27221: Fixed userinfo leakage in URI#join, URI#merge and URI#+
    (bsc#1237805)

## 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:

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2025-2739=1

  * Basesystem Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-2739=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * libruby2_5-2_5-debuginfo-2.5.9-150000.4.46.1
    * ruby2.5-stdlib-2.5.9-150000.4.46.1
    * ruby2.5-2.5.9-150000.4.46.1
    * ruby2.5-devel-2.5.9-150000.4.46.1
    * ruby2.5-devel-extra-2.5.9-150000.4.46.1
    * ruby2.5-debuginfo-2.5.9-150000.4.46.1
    * ruby2.5-doc-2.5.9-150000.4.46.1
    * ruby2.5-stdlib-debuginfo-2.5.9-150000.4.46.1
    * libruby2_5-2_5-2.5.9-150000.4.46.1
    * ruby2.5-debugsource-2.5.9-150000.4.46.1
  * openSUSE Leap 15.6 (noarch)
    * ruby2.5-doc-ri-2.5.9-150000.4.46.1
  * Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    * libruby2_5-2_5-debuginfo-2.5.9-150000.4.46.1
    * ruby2.5-stdlib-2.5.9-150000.4.46.1
    * ruby2.5-2.5.9-150000.4.46.1
    * ruby2.5-devel-2.5.9-150000.4.46.1
    * ruby2.5-devel-extra-2.5.9-150000.4.46.1
    * ruby2.5-debuginfo-2.5.9-150000.4.46.1
    * ruby2.5-stdlib-debuginfo-2.5.9-150000.4.46.1
    * libruby2_5-2_5-2.5.9-150000.4.46.1
    * ruby2.5-debugsource-2.5.9-150000.4.46.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-27221.html
  * https://www.suse.com/security/cve/CVE-2025-6442.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1237805
  * https://bugzilla.suse.com/show_bug.cgi?id=1245254

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