SUSE-SU-2023:4895-1: moderate: Security update for libsass

[SLE-SECURITY-UPDATES]

# Security update for libsass

Announcement ID: SUSE-SU-2023:4895-1  
Rating: moderate  
References:

  * bsc#1214573
  * bsc#1214575
  * bsc#1214576

  
Cross-References:

  * CVE-2022-26592
  * CVE-2022-43357
  * CVE-2022-43358

  
CVSS scores:

  * CVE-2022-26592 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
  * CVE-2022-26592 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2022-43357 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
  * CVE-2022-43357 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2022-43358 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
  * CVE-2022-43358 ( 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 15.4
  * 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 Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * 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 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3
  * SUSE Package Hub 15 15-SP4
  * SUSE Package Hub 15 15-SP5

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for libsass fixes the following issues:

  * CVE-2022-26592: Fixed Stack Overflow vulnerability in libsass 3.6.5 via the
    CompoundSelector:has_real_parent_ref function (bsc#1214576)
  * CVE-2022-43358: Fixed Stack overflow vulnerability in ast_selectors.cpp
    (bsc#1214575).
  * CVE-2022-43357: Fixed Stack overflow vulnerability in ast_selectors.cpp
    (bsc#1214573).

## 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 Package Hub 15 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP4-2023-4895=1

  * SUSE Package Hub 15 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2023-4895=1

  * openSUSE Leap 15.4  
    zypper in -t patch openSUSE-SLE-15.4-2023-4895=1

  * openSUSE Leap 15.5  
    zypper in -t patch openSUSE-SLE-15.5-2023-4895=1

## Package List:

  * SUSE Package Hub 15 15-SP4 (aarch64 ppc64le s390x x86_64)
    * libsass-debugsource-3.6.5-150200.4.10.1
    * libsass-3_6_5-1-debuginfo-3.6.5-150200.4.10.1
    * libsass-devel-3.6.5-150200.4.10.1
    * libsass-3_6_5-1-3.6.5-150200.4.10.1
  * SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x x86_64)
    * libsass-debugsource-3.6.5-150200.4.10.1
    * libsass-devel-3.6.5-150200.4.10.1
    * libsass-3_6_5-1-3.6.5-150200.4.10.1
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
    * libsass-debugsource-3.6.5-150200.4.10.1
    * libsass-3_6_5-1-debuginfo-3.6.5-150200.4.10.1
    * libsass-devel-3.6.5-150200.4.10.1
    * libsass-3_6_5-1-3.6.5-150200.4.10.1
  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
    * libsass-debugsource-3.6.5-150200.4.10.1
    * libsass-3_6_5-1-debuginfo-3.6.5-150200.4.10.1
    * libsass-devel-3.6.5-150200.4.10.1
    * libsass-3_6_5-1-3.6.5-150200.4.10.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-26592.html
  * https://www.suse.com/security/cve/CVE-2022-43357.html
  * https://www.suse.com/security/cve/CVE-2022-43358.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1214573
  * https://bugzilla.suse.com/show_bug.cgi?id=1214575
  * https://bugzilla.suse.com/show_bug.cgi?id=1214576

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