参照： Official debian advisory, NVD, CVE.org · CVE 詳細
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2012-5642 low priority: Debian including 1 source packages (fail2ban), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
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.