SUSE-SU-2025:4273-1: important: Security update for rubygem-rack

[SLE-SECURITY-UPDATES]

# Security update for rubygem-rack

Announcement ID: SUSE-SU-2025:4273-1  
Release Date: 2025-11-27T08:12:41Z  
Rating: important  
References:

  * bsc#1251936
  * bsc#1253951

  
Cross-References:

  * CVE-2025-61780
  * CVE-2025-61919

  
CVSS scores:

  * CVE-2025-61780 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
  * CVE-2025-61780 ( SUSE ):  5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  * CVE-2025-61780 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2025-61780 ( NVD ):  5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  * CVE-2025-61919 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-61919 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-61919 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.6
  * 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 Availability Extension 15 SP6
  * SUSE Linux Enterprise High Availability Extension 15 SP7
  * 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 15 SP6
  * SUSE Linux Enterprise Server 15 SP7
  * 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 Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * 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 two vulnerabilities can now be installed.

## Description:

This update for rubygem-rack fixes the following issues:

  * Update to version 2.2.20 (bsc#1251936)
  * CVE-2025-61919: Fixed application/x-www-form-urlencoded`,
    calling`rack.input.read(nil)` without enforcing a length or cap
    (bsc#1251936)
  * CVE-2025-61780: Fixed improper handling of headers in `Rack::Sendfile`
    allows for bypass of proxy-level access restrictions (bsc#1253951)

## 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-15.6-2025-4273=1

  * SUSE Linux Enterprise High Availability Extension 15 SP3  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP3-2025-4273=1

  * SUSE Linux Enterprise High Availability Extension 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP4-2025-4273=1

  * SUSE Linux Enterprise High Availability Extension 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP5-2025-4273=1

  * SUSE Linux Enterprise High Availability Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP6-2025-4273=1

  * SUSE Linux Enterprise High Availability Extension 15 SP7  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP7-2025-4273=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * ruby2.5-rubygem-rack-2.2.20-150000.3.34.1
    * ruby2.5-rubygem-rack-doc-2.2.20-150000.3.34.1
  * SUSE Linux Enterprise High Availability Extension 15 SP3 (aarch64 ppc64le
    s390x x86_64)
    * ruby2.5-rubygem-rack-2.2.20-150000.3.34.1
  * SUSE Linux Enterprise High Availability Extension 15 SP4 (aarch64 ppc64le
    s390x x86_64)
    * ruby2.5-rubygem-rack-2.2.20-150000.3.34.1
  * SUSE Linux Enterprise High Availability Extension 15 SP5 (aarch64 ppc64le
    s390x x86_64)
    * ruby2.5-rubygem-rack-2.2.20-150000.3.34.1
  * SUSE Linux Enterprise High Availability Extension 15 SP6 (aarch64 ppc64le
    s390x x86_64)
    * ruby2.5-rubygem-rack-2.2.20-150000.3.34.1
  * SUSE Linux Enterprise High Availability Extension 15 SP7 (aarch64 ppc64le
    s390x x86_64)
    * ruby2.5-rubygem-rack-2.2.20-150000.3.34.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-61780.html
  * https://www.suse.com/security/cve/CVE-2025-61919.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1251936
  * https://bugzilla.suse.com/show_bug.cgi?id=1253951

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