Vulnerability Database

322,935

Total vulnerabilities in the database

CVE-2009-0362

filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved DNS name (rhost) entry that contains a substring that is interpreted as an IP address, a different vulnerability than CVE-2007-4321.

  • Published: Feb 13, 2009
  • Updated: Nov 9, 2025
  • CVE: CVE-2009-0362
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:N/I:N/A:P

CWEs:

OWASP TOP 10:

Software From Fixed in
fail2ban / fail2ban 0.8.3 0.8.3.x