{"cve":"CVE-2007-4440","nvd":{"published":"2007-08-21T00:17:00.000","modified":"2026-06-16T22:44:06.130","status":"Modified","description":"Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2007-08/0341.html","http://secunia.com/advisories/26519","http://www.pmail.com/m32_451.htm","http://www.securityfocus.com/bid/25357","http://www.securitytracker.com/id?1018587"],"products":["pmail:mercury_mail_transport_system"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-4440","score":0.64513,"percentile":0.99238,"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."]}