USN-8598-1: rsyslog vulnerabilities

It was discovered that rsyslog incorrectly handled regex-based TCP framing
in the imptcp module. A remote attacker could possibly use this issue to
cause rsyslog to crash, resulting in a denial of service.

It was discovered that rsyslog incorrectly handled oversized RFC5424
structured data in the mmpstrucdata module. A remote attacker could
possibly use this issue to cause rsyslog to crash, resulting in a denial of
service. (CVE-2026-61548)