{"id":"CVE-2012-5372","aliases":["EUVD-2012-5291","GHSA-9f35-5wj4-v27g"],"status":"published","title":"Rubinius computes hash values without properly restricting the ability to trigger hash collisions...","description":"Rubinius computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash3 algorithm.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01941,"percentile":0.80264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2012-11-28T11:00:00Z","modified":"2026-06-16T23:46:45Z","products":[{"vendor":"rubinius","product":"rubinius"}],"references":[{"url":"http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://www.131002.net/data/talks/appsec12_slides.pdf","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://2012.appsec-forum.ch/conferences/#c17","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.ocert.org/advisories/ocert-2012-001.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/56670","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5372"},{"url":"https://github.com/advisories/GHSA-9f35-5wj4-v27g"}],"sources":{"cve":[{"id":"CVE-2012-5372","description":"Rubinius computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash3 algorithm.","status":"published","published":"2012-11-28T11:00:00Z","modified":"2024-08-06T21:05:47.238Z","updated_at":"2026-11-02T14:34:49.246229Z"}],"euvd":[{"id":"EUVD-2012-5291","description":"Rubinius computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash3 algorithm.","status":"published","published":"2012-11-28T11:00:00Z","modified":"2024-08-06T21:05:47Z","updated_at":"2026-11-03T01:56:04.919378Z"}],"ghsa":[{"id":"GHSA-9f35-5wj4-v27g","title":"Rubinius computes hash values without properly restricting the ability to trigger hash collisions...","description":"Rubinius computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash3 algorithm.","status":"published","published":"2022-05-17T05:14:52Z","modified":"2023-01-28T05:03:24Z","updated_at":"2026-11-02T14:43:58.488407Z"}],"nvd":[{"id":"CVE-2012-5372","description":"Rubinius computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash3 algorithm.","status":"published","published":"2012-11-28T13:03:10.217Z","modified":"2026-06-16T23:46:45.057Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:16.536025Z"}]}}