Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.Referenceshttp://www.openwall.com/lists/oss-security/2013/02/08/2https://security-tracker.debian.org/tracker/CVE-2012-6125https://access.redhat.com/security/cve/cve-2012-6125https://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00002.htmlhttps://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00020.html