SUSE-SU-2026:3478-1: important: Security update for rsyslog

[SLE-SECURITY-UPDATES]

# Security update for rsyslog

Announcement ID: SUSE-SU-2026:3478-1  
Release Date: 2026-08-04T11:39:06Z  
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:

  * Basesystem Module 15-SP7
  * Server Applications Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Package Hub 15 15-SP7

  
  
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: parsing of crafted RFC 5424 messages in `mmpstrucdata` can
    lead to a stack buffer overflow (bsc#1272414).
  * Configuration-dependent issue in the optional `imptcp` input module can
    allow an unauthenticated remote peer to crash `rsyslogd` (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:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3478=1

  * Server Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-3478=1

  * SUSE Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-3478=1

## Package List:

  * Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * rsyslog-module-snmp-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-pgsql-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-gssapi-8.2406.0-150700.3.7.1
    * rsyslog-module-gtls-8.2406.0-150700.3.7.1
    * rsyslog-module-relp-8.2406.0-150700.3.7.1
    * rsyslog-module-mysql-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-snmp-8.2406.0-150700.3.7.1
    * rsyslog-module-mmnormalize-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-pgsql-8.2406.0-150700.3.7.1
    * rsyslog-module-udpspoof-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-udpspoof-8.2406.0-150700.3.7.1
    * rsyslog-debugsource-8.2406.0-150700.3.7.1
    * rsyslog-module-relp-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-gtls-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-mmnormalize-8.2406.0-150700.3.7.1
    * rsyslog-module-mysql-8.2406.0-150700.3.7.1
    * rsyslog-module-gssapi-debuginfo-8.2406.0-150700.3.7.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * rsyslog-8.2406.0-150700.3.7.1
    * rsyslog-debugsource-8.2406.0-150700.3.7.1
    * rsyslog-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-ossl-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-ossl-8.2406.0-150700.3.7.1
  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    * rsyslog-debugsource-8.2406.0-150700.3.7.1
    * rsyslog-module-kafka-8.2406.0-150700.3.7.1
    * rsyslog-debuginfo-8.2406.0-150700.3.7.1
    * rsyslog-module-kafka-debuginfo-8.2406.0-150700.3.7.1

## 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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