# Security update for oniguruma

Announcement ID: SUSE-SU-2024:2993-1  
Rating: moderate  
References:

  * bsc#1177179

  
Cross-References:

  * CVE-2020-26159

  
CVSS scores:

  * CVE-2020-26159 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2020-26159 ( NVD ):  8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Software Development Kit 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for oniguruma fixes the following issues:

  * CVE-2020-26159: Fixed buffer overflow in concat_opt_exact_str could that
    could lead in DoS (bsc#1177179)

## 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 Software Development Kit 12 SP5  
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2024-2993=1

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-2993=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-2993=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-2993=1

## Package List:

  * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x
    x86_64)
    * oniguruma-debugsource-5.9.2-13.6.1
    * oniguruma-devel-5.9.2-13.6.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    * libonig2-5.9.2-13.6.1
    * oniguruma-debugsource-5.9.2-13.6.1
    * libonig2-debuginfo-5.9.2-13.6.1
  * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    * libonig2-5.9.2-13.6.1
    * oniguruma-debugsource-5.9.2-13.6.1
    * libonig2-debuginfo-5.9.2-13.6.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    * libonig2-5.9.2-13.6.1
    * oniguruma-debugsource-5.9.2-13.6.1
    * libonig2-debuginfo-5.9.2-13.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2020-26159.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1177179