Packages
- rsyslog - Enhanced syslogd
Details
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)
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)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | rsyslog – 8.2512.0-1ubuntu4.1 | ||
| 24.04 LTS noble | rsyslog – 8.2312.0-3ubuntu9.3 | ||
| 22.04 LTS jammy | rsyslog – 8.2112.0-2ubuntu2.4 | ||
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