SUSE-SU-2026:3859-1: important: Security update for rsyslog

OPENSUSE-SECURITY-UPDATES <[email protected]>
Newsgroups gmane.linux.suse.security.announce
Message-ID <178795041873.2133.634132016312018431@2eb657abeeed> 
# Security update for rsyslog

Announcement ID: SUSE-SU-2026:3859-1  
Release Date: 2026-08-28T13:04:25Z  
Rating: important  
References:

  * bsc#1275926

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that has one security fix can now be installed.

## Description:

This update for rsyslog fixes the following issue:

  * Heap buffer overflow in the core `RainerScript` `replace()` function
    (bsc#1275926).

## 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 Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3859=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3859=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3859=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3859=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3859=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3859=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3859=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-3859=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3859=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gcrypt-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-elasticsearch-8.2306.0-150400.5.43.1
    * rsyslog-module-omamqp1-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-omhttpfs-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-diag-tools-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-omtcl-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-omamqp1-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-omhttpfs-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-elasticsearch-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-gcrypt-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-doc-8.2306.0-150400.5.43.1
    * rsyslog-module-kafka-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-dbi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-omtcl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
    * rsyslog-diag-tools-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-kafka-8.2306.0-150400.5.43.1
    * rsyslog-module-dbi-8.2306.0-150400.5.43.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-8.2306.0-150400.5.43.1
    * rsyslog-8.2306.0-150400.5.43.1
    * rsyslog-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-relp-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-8.2306.0-150400.5.43.1
    * rsyslog-module-ossl-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.43.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.43.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.43.1
    * rsyslog-debugsource-8.2306.0-150400.5.43.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1275926
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