CVE-2006-0839: Sourcefire Snort

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

The frag3 preprocessor in Sourcefire Snort 2.4.3 does not properly reassemble certain fragmented packets with IP options, which allows remote attackers to evade detection of certain attacks, possibly related to IP option lengths.

Affected products

• Sourcefire Snort: version 2.4.3 only

Published 2006-02-22. Last modified 2026-06-16.