CVE-2026-61548

Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSDPARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal32 1024 stack buffer and calls parsePARAMVALUE without supplying the...

CVE-2026-61548

Rsyslog (a log processing system) versions 7.5.4 through 8.2606.0 contain a stack buffer overflow in the optional mmpstrucdata plugin. The parseSD_PARAM function stores RFC5424 parameter values in a fixed 32 KB stack buffer and calls parsePARAM_VALUE without supplying the destination size. A remo...

CVE-2026-61548 Rsyslog: mmpstrucdata stack buffer overflow with oversized RFC5424 structured data

Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSDPARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal32 1024 stack buffer and calls parsePARAMVALUE without supplying the...