CVE-2012-5372

CVE-2012-5372 describes a denial-of-service vulnerability in Rubinius, affecting all versions of the Rubinius runtime. The flaw stems from its hash function's susceptibility to predictable hash collisions, allowing attackers to craft input that consumes excessive CPU resources when processed by applications using hash tables. Rated with a CVSS score of 5.0 (medium severity), this vulnerability can be exploited remotely with low complexity and without authentication, leading to a denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.