VULNERABILITY INTELLIGENCE
CVE-2006-6931
CVSS score5 MEDIUM
EPSS probability2.45%
CISA KEVNot currently listed
Published2007-01-16
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
Description
Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack."