{"cve":"CVE-2009-2621","nvd":{"published":"2009-07-28T17:30:01.077","modified":"2026-06-16T23:09:51.480","status":"Modified","description":"Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 does not properly enforce \"buffer limits and related bound checks,\" which allows remote attackers to cause a denial of service via (1) an incomplete request or (2) a request with a large header size, related to (a) HttpMsg.cc and (b) client_side.cc.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://secunia.com/advisories/36007","http://www.mandriva.com/security/advisories?name=MDVSA-2009:161","http://www.mandriva.com/security/advisories?name=MDVSA-2009:178","http://www.securityfocus.com/bid/35812","http://www.securitytracker.com/id?1022607"],"products":["squid-cache:squid"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-2621","score":0.23049,"percentile":0.97757,"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."]}