Security update for rsyslog

Announcement ID: SUSE-SU-2026:3498-1
Release Date: 2026-08-04T17:53:40Z
Rating: important
References:
Cross-References:
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:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 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: 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:

  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3498=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-3498=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • rsyslog-module-pgsql-8.2106.0-8.22.1
    • rsyslog-module-udpspoof-8.2106.0-8.22.1
    • rsyslog-module-mmnormalize-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-snmp-debuginfo-8.2106.0-8.22.1
    • rsyslog-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-gssapi-8.2106.0-8.22.1
    • rsyslog-debugsource-8.2106.0-8.22.1
    • rsyslog-doc-8.2106.0-8.22.1
    • rsyslog-module-gtls-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-snmp-8.2106.0-8.22.1
    • rsyslog-diag-tools-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-mmnormalize-8.2106.0-8.22.1
    • rsyslog-module-mysql-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-udpspoof-debuginfo-8.2106.0-8.22.1
    • rsyslog-8.2106.0-8.22.1
    • rsyslog-diag-tools-8.2106.0-8.22.1
    • rsyslog-module-relp-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-pgsql-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-relp-8.2106.0-8.22.1
    • rsyslog-module-gssapi-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-gtls-8.2106.0-8.22.1
    • rsyslog-module-mysql-8.2106.0-8.22.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • rsyslog-module-pgsql-8.2106.0-8.22.1
    • rsyslog-module-udpspoof-8.2106.0-8.22.1
    • rsyslog-module-mmnormalize-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-snmp-debuginfo-8.2106.0-8.22.1
    • rsyslog-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-gssapi-8.2106.0-8.22.1
    • rsyslog-debugsource-8.2106.0-8.22.1
    • rsyslog-doc-8.2106.0-8.22.1
    • rsyslog-module-gtls-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-snmp-8.2106.0-8.22.1
    • rsyslog-diag-tools-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-mmnormalize-8.2106.0-8.22.1
    • rsyslog-module-mysql-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-udpspoof-debuginfo-8.2106.0-8.22.1
    • rsyslog-8.2106.0-8.22.1
    • rsyslog-diag-tools-8.2106.0-8.22.1
    • rsyslog-module-relp-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-pgsql-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-relp-8.2106.0-8.22.1
    • rsyslog-module-gssapi-debuginfo-8.2106.0-8.22.1
    • rsyslog-module-gtls-8.2106.0-8.22.1
    • rsyslog-module-mysql-8.2106.0-8.22.1

References: