{"action":"Upgrade apache2 to 2.2.21-1 or later.","affected":[{"fixed":"2.2.21-1","introduced":"0"}],"component":"apache2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.2.21-1"],"id":"tcs_01M5N9VBJR6PJ79M12SZXZKFA2","modified_at":"2026-10-23T17:47:43.450369557Z","published_at":"2011-09-20T05:55:02.983Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-3348","https://security-tracker.debian.org/tracker/CVE-2011-3348"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-3348","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-3348"}],"summary":"The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary \"error st"}