Back Linuxsecurity SUSE Rsyslog Important Stack Buffer Overflow Vuln 2026-3498
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## 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:
## 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:
* 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
* 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
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Announcement ID: SUSE-SU-2026:3498-1 Release Date: 2026-08-04T17:53:40Z Rating: important
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