CVE catalog

CVE-2012-5642

fail2ban: CVE-2012-5642

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
3.12% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianfail2bansid1.1.1-1fixed
Debianfail2banforky1.1.1-1fixed
Debianfail2bantrixie1.1.0-8fixed
Debianfail2banbookworm1.0.2-2fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianfail2bansourcesid0.8.6-3wheezy1lowNot reported[696184]
Debianfail2bansourceforky0.8.6-3wheezy1lowNot reported[696184]
Debianfail2bansourcetrixie0.8.6-3wheezy1lowNot reported[696184]
Debianfail2bansourcebookworm0.8.6-3wheezy1lowNot reported[696184]

[Debian bug #696184]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [fail2ban]Fixed
    Details (2)
    • 1.0.2-2 · all · bookworm

      Fixed · Fixed: 0.8.6-3wheezy1

      dsa · fail2ban · debian · bookworm; dsa · fail2ban · debian · 12

    • 1.0.2-2 · all · bookworm

      Fixed · Fixed: 0.8.6-3wheezy1

      dsa · fail2ban · debian · bookworm; dsa · fail2ban · debian · 12

[Debian 13 (Trixie)]

  • [fail2ban]Fixed
    Details (2)
    • 1.1.0-8 · all · trixie

      Fixed · Fixed: 0.8.6-3wheezy1

      dsa · fail2ban · debian · 13

    • 1.1.0-8 · all · trixie

      Fixed · Fixed: 0.8.6-3wheezy1

      dsa · fail2ban · debian · 13

Observed:

References