SUSE alert SUSE-SU-2026:3518-1 (rsyslog)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:3518-1: important: Security update for rsyslog
Date:
             
 
Thu, 06 Aug 2026 16:32:50 -0000
Message-ID:
             
 
<178603397076.242.15416984757501060374@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



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