{"cve":"CVE-2008-3443","nvd":{"published":"2008-08-14T23:41:00.000","modified":"2026-06-16T22:55:50.370","status":"Modified","description":"The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://lists.apple.com/archives/security-announce/2009/May/msg00002.html","http://secunia.com/advisories/31430","http://secunia.com/advisories/32165","http://secunia.com/advisories/32219","http://secunia.com/advisories/32371"],"products":["ruby-lang:ruby"],"source":"nvd","synced_at":"2026-10-19T19:52:44.811608366+00:00"},"epss":{"cve":"CVE-2008-3443","score":0.15678,"percentile":0.96854,"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."]}