A re2c security update has been released for openSUSE Leap 15.4/15.5 and SUSE Linux Enterprise 15 SP4/5.

SUSE-SU-2023:3353-1: moderate: Security update for re2c

# 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