CVE-2012-6124
A casting error in Chicken before 4.8.0 on 64-bit platform caused the random number generator to return a constant value. NOTE: the vendor states "This function wasn’t used for security purposes (and is advertised as being unsuitable)."
Date published : 2019-10-31
https://lists.nongnu.org/archive/html/chicken-hackers/2012-02/msg00084.html