SUSE-SU-2025:03466-1: important: Security update for rubygem-puma

[SLE-UPDATES]

# Security update for rubygem-puma

Announcement ID: SUSE-SU-2025:03466-1  
Release Date: 2025-10-07T11:33:53Z  
Rating: important  
References:

  * bsc#1214425
  * bsc#1218638
  * bsc#1230848

  
Cross-References:

  * CVE-2023-40175
  * CVE-2024-21647
  * CVE-2024-45614

  
CVSS scores:

  * CVE-2023-40175 ( SUSE ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2023-40175 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2024-21647 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2024-21647 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-45614 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2024-45614 ( SUSE ):  5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
  * CVE-2024-45614 ( NVD ):  5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
  * CVE-2024-45614 ( NVD ):  5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Availability Extension 15 SP3
  * SUSE Linux Enterprise High Availability Extension 15 SP4
  * SUSE Linux Enterprise High Availability Extension 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Manager Proxy 4.2
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.2
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.2
  * SUSE Manager Server 4.3

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for rubygem-puma fixes the following issues:

Update to version 5.6.9.

  * CVE-2024-45614: improper header normalization allows for clients to clobber
    proxy set headers, which can lead to information leaks (bsc#1230848, fixed
    in an earlier update).
  * CVE-2024-21647: unbounded resource consumption due to invalid parsing of
    chunked encoding in HTTP/1.1 can lead to denial-of-service attacks
    (bsc#1218638, fixed in an earlier update)
  * CVE-2023-40175: incorrect behavior when parsing chunked transfer encoding
    bodies and zero-length Content-Length headers can lead to HTTP request
    smuggling attacks (bsc#1214425, fixed in an earlier update).

## 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:

  * SUSE Linux Enterprise High Availability Extension 15 SP3  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP3-2025-3466=1

  * SUSE Linux Enterprise High Availability Extension 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP4-2025-3466=1

  * SUSE Linux Enterprise High Availability Extension 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP5-2025-3466=1

## Package List:

  * SUSE Linux Enterprise High Availability Extension 15 SP3 (aarch64 ppc64le
    s390x x86_64)
    * rubygem-puma-debugsource-5.6.9-150000.3.18.1
    * ruby2.5-rubygem-puma-5.6.9-150000.3.18.1
    * ruby2.5-rubygem-puma-debuginfo-5.6.9-150000.3.18.1
  * SUSE Linux Enterprise High Availability Extension 15 SP4 (aarch64 ppc64le
    s390x x86_64)
    * rubygem-puma-debugsource-5.6.9-150000.3.18.1
    * ruby2.5-rubygem-puma-5.6.9-150000.3.18.1
    * ruby2.5-rubygem-puma-debuginfo-5.6.9-150000.3.18.1
  * SUSE Linux Enterprise High Availability Extension 15 SP5 (aarch64 ppc64le
    s390x x86_64)
    * rubygem-puma-debugsource-5.6.9-150000.3.18.1
    * ruby2.5-rubygem-puma-5.6.9-150000.3.18.1
    * ruby2.5-rubygem-puma-debuginfo-5.6.9-150000.3.18.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-40175.html
  * https://www.suse.com/security/cve/CVE-2024-21647.html
  * https://www.suse.com/security/cve/CVE-2024-45614.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1214425
  * https://bugzilla.suse.com/show_bug.cgi?id=1218638
  * https://bugzilla.suse.com/show_bug.cgi?id=1230848

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