{"id":"CVE-2012-6125","aliases":["DEBIAN-CVE-2012-6125","EUVD-2012-5992","GHSA-qx8c-5326-hjwh"],"status":"published","title":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table...","description":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01778,"percentile":0.78363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2019-10-31T20:38:48Z","modified":"2026-10-23T18:02:54Z","fixes":[{"ecosystem":"Debian:12","package":"chicken","fixed_in":["4.8.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"chicken","fixed_in":["4.8.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"chicken","fixed_in":["4.8.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"chicken","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]}],"products":[{"vendor":"call-cc","product":"chicken"},{"vendor":"chicken","product":"chicken"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2013/02/08/2","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-6125","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://access.redhat.com/security/cve/cve-2012-6125","tags":["x_refsource_MISC","x_transferred","Broken Link","web"]},{"url":"https://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00002.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Patch","Third Party Advisory","advisory","article","fix"]},{"url":"https://lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00020.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Patch","Third Party Advisory","advisory","article","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6125"},{"url":"https://github.com/advisories/GHSA-qx8c-5326-hjwh"}],"sources":{"cve":[{"id":"CVE-2012-6125","description":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.","status":"published","published":"2019-10-31T20:38:48Z","modified":"2024-08-06T21:28:39.307Z","updated_at":"2026-11-02T14:34:51.269982Z"}],"euvd":[{"id":"EUVD-2012-5992","description":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.","status":"published","published":"2019-10-31T20:38:48Z","modified":"2024-08-06T21:28:39Z","updated_at":"2026-11-03T01:56:02.968969Z"}],"ghsa":[{"id":"GHSA-qx8c-5326-hjwh","title":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table...","description":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.","status":"published","published":"2022-04-23T00:40:08Z","modified":"2024-04-03T23:49:24Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:55:47.283285Z"}],"nvd":[{"id":"CVE-2012-6125","description":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.","status":"published","published":"2019-10-31T21:15:11.98Z","modified":"2026-06-16T23:47:52.333Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:18.043773Z"}],"osv":[{"id":"CVE-2012-6125","description":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.","status":"published","published":"2019-10-31T21:15:11Z","modified":"2026-04-10T03:42:35.287204Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-6125","description":"Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.","status":"published","published":"2019-10-31T21:15:11.98Z","modified":"2026-10-23T18:02:54.315898883Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:25.218101Z"}]}}