CVE-2012-6125
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
Date published : 2019-10-31
https://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00002.html
https://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00020.html