Debian Linux Security Advisory 2979-1 - Two vulnerabilities were discovered in Fail2ban, a solution to ban hosts that cause multiple authentication errors. When using Fail2ban to monitor Postfix or Cyrus IMAP logs, improper input validation in log parsing could enable a remote attacker to trigger an IP ban on arbitrary addresses, resulting in denial of service.
663686ca280e9f3c71e71611cc65c7317ff186652c7a041a969f80c3fe0d6f6f
Gentoo Linux Security Advisory 201406-3 - Multiple vulnerabilities have been found in Fail2ban, the worst of which allows remote attackers to cause a Denial of Service condition. Versions less than 0.8.12 are affected.
91b3b70fbd133b5330e00cde4fbc2bff165a2d57f61deec46862a83035482944