CVE-2002-1200: Oneidentity Syslog-NG

High severity, CVSS 7.5. EPSS: 5.6% chance of exploitation in the next 30 days.

Balabit Syslog-NG 1.4.x before 1.4.15, and 1.5.x before 1.5.20, when using template filenames or output, does not properly track the size of a buffer when constant characters are encountered during macro expansion, which allows remote attackers to cause a denial of service and possibly execute arbitrary code.

Affected products

• Oneidentity Syslog-NG: version 1.4.0 only; version 1.4.7 only; version 1.4.8 only; version 1.4.9 only; version 1.4.10 only; version 1.4.15 only; …

Published 2002-10-28. Last modified 2026-06-16.