# Security update for re2c

Announcement ID: SUSE-SU-2023:3353-1  
Rating: moderate  
References:

  * #1170890

  
Cross-References:

  * CVE-2018-21232

  
CVSS scores:

  * CVE-2018-21232 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

  
Affected Products:

  * Basesystem Module 15-SP4
  * Basesystem Module 15-SP5
  * openSUSE Leap 15.4
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise Desktop 15 SP4
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * 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 one vulnerability can now be installed.

## Description:

This update for re2c fixes the following issues:

  * CVE-2018-21232: Fixed excess stack consumption due to uncontrolled recursion
    in find_fixed_tags (bsc#1170890).

## Patch Instructions:

To install this SUSE Moderate 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 15.4  
    zypper in -t patch openSUSE-SLE-15.4-2023-3353=1

  * openSUSE Leap 15.5  
    zypper in -t patch openSUSE-SLE-15.5-2023-3353=1

  * Basesystem Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-3353=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-3353=1

  * SUSE Manager Proxy 4.2  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.2-2023-3353=1

  * SUSE Manager Retail Branch Server 4.2  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-
Server-4.2-2023-3353=1

  * SUSE Manager Server 4.2  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.2-2023-3353=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
    * re2c-debugsource-1.0.3-150000.3.3.1
    * re2c-debuginfo-1.0.3-150000.3.3.1
    * re2c-1.0.3-150000.3.3.1
  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
    * re2c-debugsource-1.0.3-150000.3.3.1
    * re2c-debuginfo-1.0.3-150000.3.3.1
    * re2c-1.0.3-150000.3.3.1
  * Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64)
    * re2c-debugsource-1.0.3-150000.3.3.1
    * re2c-debuginfo-1.0.3-150000.3.3.1
    * re2c-1.0.3-150000.3.3.1
  * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    * re2c-debugsource-1.0.3-150000.3.3.1
    * re2c-debuginfo-1.0.3-150000.3.3.1
    * re2c-1.0.3-150000.3.3.1
  * SUSE Manager Proxy 4.2 (x86_64)
    * re2c-debugsource-1.0.3-150000.3.3.1
    * re2c-debuginfo-1.0.3-150000.3.3.1
    * re2c-1.0.3-150000.3.3.1
  * SUSE Manager Retail Branch Server 4.2 (x86_64)
    * re2c-debugsource-1.0.3-150000.3.3.1
    * re2c-debuginfo-1.0.3-150000.3.3.1
    * re2c-1.0.3-150000.3.3.1
  * SUSE Manager Server 4.2 (ppc64le s390x x86_64)
    * re2c-debugsource-1.0.3-150000.3.3.1
    * re2c-debuginfo-1.0.3-150000.3.3.1
    * re2c-1.0.3-150000.3.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2018-21232.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1170890