CVE-2009-0362
Fail2ban 0.8.3 - DoS
Title source: llmDescription
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.
Scores
EPSS
0.0059
EPSS Percentile
68.9%
Classification
CWE
CWE-287
Status
draft
Affected Products (1)
fail2ban/fail2ban
Timeline
Published
Feb 13, 2009
Tracked Since
Feb 18, 2026