Unrated severityNVD Advisory· Published Dec 31, 2012· Updated Apr 29, 2026
CVE-2012-5642
CVE-2012-5642
Description
server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.
Affected products
34cpe:2.3:a:fail2ban:fail2ban:*:*:*:*:*:*:*:*+ 33 more
- cpe:2.3:a:fail2ban:fail2ban:*:*:*:*:*:*:*:*range: <=0.8.7.1
- cpe:2.3:a:fail2ban:fail2ban:0.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:fail2ban:fail2ban:0.8.7:*:*:*:*:*:*:*
Patches
183109bchttps://github.com/fail2ban/fail2banvia nvd-ref
Vulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
9- github.com/fail2ban/fail2ban/commit/83109bcnvdPatchVendor Advisory
- lists.opensuse.org/opensuse-updates/2013-04/msg00001.htmlnvd
- lists.opensuse.org/opensuse-updates/2013-04/msg00002.htmlnvd
- sourceforge.net/mailarchive/message.phpnvd
- www.mandriva.com/security/advisoriesnvd
- www.openwall.com/lists/oss-security/2012/12/17/2nvd
- bugs.gentoo.org/show_bug.cginvd
- bugzilla.redhat.com/show_bug.cginvd
- raw.github.com/fail2ban/fail2ban/master/ChangeLognvd
News mentions
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