SUSE-SU-2026:3518-1: important: Security update for rsyslog

OPENSUSE-SECURITY-UPDATES <[email protected]>
Newsgroups gmane.linux.suse.security.announce
Message-ID <178603398753.242.4802597544997641763@70aaff0f9d46> 
# Security update for rsyslog

Announcement ID: SUSE-SU-2026:3518-1  
Release Date: 2026-08-06T11:21:57Z  
Rating: important  
References:

  * bsc#1271910
  * bsc#1272414

  
Cross-References:

  * CVE-2026-61548

  
CVSS scores:

  * CVE-2026-61548 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  
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 solves one vulnerability and has one security fix can now be
installed.

## Description:

This update for rsyslog fixes the following issues:

  * CVE-2026-61548: crafted RFC 5424 messages to mmpstrucdata can lead to a
    stack overwrite (bsc#1272414).
  * Input sequence during oversize-frame recovery in imptcp can cause denial of
    service (bsc#1271910).

## 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 High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3518=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-3518=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3518=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3518=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3518=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3518=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3518=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3518=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3518=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * rsyslog-module-dbi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-omamqp1-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-kafka-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-gcrypt-8.2306.0-150400.5.40.1
    * rsyslog-module-gcrypt-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-doc-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-diag-tools-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-omamqp1-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-kafka-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-omhttpfs-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-dbi-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-elasticsearch-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-omhttpfs-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-elasticsearch-8.2306.0-150400.5.40.1
    * rsyslog-module-omtcl-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-omtcl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-diag-tools-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * rsyslog-module-gtls-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-mysql-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-debugsource-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-8.2306.0-150400.5.40.1
    * rsyslog-module-pgsql-8.2306.0-150400.5.40.1
    * rsyslog-module-mmnormalize-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-snmp-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-8.2306.0-150400.5.40.1
    * rsyslog-module-ossl-8.2306.0-150400.5.40.1
    * rsyslog-8.2306.0-150400.5.40.1
    * rsyslog-module-gssapi-debuginfo-8.2306.0-150400.5.40.1
    * rsyslog-module-gtls-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-8.2306.0-150400.5.40.1
    * rsyslog-module-udpspoof-8.2306.0-150400.5.40.1
    * rsyslog-module-relp-debuginfo-8.2306.0-150400.5.40.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-61548.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271910
  * https://bugzilla.suse.com/show_bug.cgi?id=1272414
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.