Rsyslog: mmpstrucdata stack buffer overflow with oversized RFC5424 structured data

HighVendor CVSS 8.1 / 10 1 CVE Published Sep 20, 2026 at 1:01 AM UTC

Summary

Mariner

See the Microsoft Security Update Guide for the update that applies to your product.

Sep 20, 2026 at 1:01 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 21, 2026 at 2:51 PM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 27, 2026 at 11:11 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Nov 11, 2026 at 2:20 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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