{"cve":"CVE-2012-4464","nvd":{"published":"2013-04-25T23:55:01.310","modified":"2026-06-16T23:45:09.003","status":"Modified","description":"Ruby 1.9.3 before patchlevel 286 and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the (1) exc_to_s or (2) name_err_to_s API function, which marks the string as tainted, a different vulnerability than CVE-2012-4466.  NOTE: this issue might exist because of a CVE-2011-1005 regression.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089554.html","http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089887.html","http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37068","http://www.openwall.com/lists/oss-security/2012/10/02/4","http://www.openwall.com/lists/oss-security/2012/10/03/9"],"products":["ruby-lang:ruby"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2012-4464","score":0.0218,"percentile":0.82355,"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."]}