| Package | Affected versions | Patched versions |
|---|---|---|
| fail2ban | = 0.1.0= 0.1.1= 0.1.2= 0.3.0= 0.3.1= 0.4.0= 0.4.1= 0.5.0= 0.5.1= 0.5.2= 0.5.3= 0.5.4= 0.5.5= 0.6.0= 0.6.1= 0.7.0= 0.7.1= 0.7.2= 0.7.3= 0.7.4= 0.7.5= 0.7.6= 0.7.7= 0.7.8= 0.7.9= 0.8.0= 0.8.1= 0.8.2= 0.8.3= 0.8.4= 0.8.5= 0.8.6= 0.8.7= 0.8.7.1= 0.8.8= 0.8.9≤ 0.8.10 |
config/filter.d/postfix.conf in the postfix filter in Fail2ban before 0.8.11 allows remote attackers to trigger the blocking of an arbitrary IP address via a crafted e-mail address that matches an improperly designed regular expression.
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