CVE-2006-6931

Name	CVE-2006-6931
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."
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	407421

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
snort (PTS)	stretch	2.9.7.0-5	fixed
	buster (security), buster, buster (lts)	2.9.20-0+deb10u1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
snort	source	(unstable)	2.7.0-1	low		407421

[sarge] - snort <no-dsa> (Minor issue)
[etch] - snort <no-dsa> (Minor issue)