SUSE 15-SP7 rsyslog Important Buffer Overflow Vuln 2026-3478

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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: * 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

## 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

* 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

* 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

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

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