{"cve":"CVE-2009-3586","nvd":{"published":"2009-12-08T18:30:00.217","modified":"2026-06-16T23:11:57.347","status":"Modified","description":"Off-by-one error in src/http.c in CoreHTTP 0.5.3.1 and earlier allows remote attackers to cause a denial of service or possibly execute arbitrary code via an HTTP request with a long first line that triggers a buffer overflow.  NOTE: this vulnerability reportedly exists because of an incorrect fix for CVE-2007-4060.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://census-labs.com/media/corex.txt","http://census-labs.com/news/2009/12/02/corehttp-web-server/","http://www.securityfocus.com/archive/1/508272/100/0/threaded","http://census-labs.com/media/corex.txt","http://census-labs.com/news/2009/12/02/corehttp-web-server/"],"products":["frank_yaul:corehttp"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-3586","score":0.06394,"percentile":0.9367,"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."]}