{"cve":"CVE-2009-4124","nvd":{"published":"2009-12-11T16:30:00.267","modified":"2026-06-16T23:13:05.153","status":"Modified","description":"Heap-based buffer overflow in the rb_str_justify function in string.c in Ruby 1.9.1 before 1.9.1-p376 allows context-dependent attackers to execute arbitrary code via unspecified vectors involving (1) String#ljust, (2) String#center, or (3) String#rjust.  NOTE: some of these details are obtained from third party information.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://secunia.com/advisories/37660","http://www.osvdb.org/60880","http://www.ruby-lang.org/en/news/2009/12/07/heap-overflow-in-string/","http://www.securityfocus.com/bid/37278","http://www.vupen.com/english/advisories/2009/3471"],"products":["ruby-lang:ruby"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-4124","score":0.03875,"percentile":0.90209,"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."]}