{"cve":"CVE-2011-3009","nvd":{"published":"2011-08-05T22:55:01.547","modified":"2026-06-16T23:32:25.460","status":"Modified","description":"Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://redmine.ruby-lang.org/issues/show/4338","http://rhn.redhat.com/errata/RHSA-2012-0070.html","http://www.openwall.com/lists/oss-security/2011/07/20/1","http://www.redhat.com/support/errata/RHSA-2011-1581.html","http://www.securityfocus.com/bid/49126"],"products":["ruby-lang:ruby"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-3009","score":0.02023,"percentile":0.80979,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}