{"id":"CVE-2011-3200","aliases":["DEBIAN-CVE-2011-3200","EUVD-2011-3164","GHSA-56wq-xcxw-c4q3","RHSA-2011:1247","openSUSE-SU-2024:10498-1"],"status":"published","title":"Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd...","description":"Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.20759,"percentile":0.97553,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2011-09-06T16:00:00Z","modified":"2026-10-23T17:47:49Z","exploits":[{"source":"metasploit","id":"auxiliary/dos/syslog/rsyslog_long_tag","title":"rsyslog Long Tag Off-By-Two DoS","type":"auxiliary","date":"2011-09-01","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/dos/syslog/rsyslog_long_tag"}],"fixes":[{"ecosystem":"Debian:12","package":"rsyslog","fixed_in":["5.8.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"rsyslog","fixed_in":["5.8.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"rsyslog","fixed_in":["5.8.5-1"],"sources":["osv"]},{"ecosystem":"Red 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