{"id":"CVE-2009-4016","details":"Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a LINKS command.","modified":"2026-01-27T04:10:03.712562Z","published":"2010-02-04T20:15:23Z","withdrawn":"2026-01-27T04:10:03.712562Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/38210"},{"type":"ADVISORY","url":"http://secunia.com/advisories/38381"},{"type":"ADVISORY","url":"http://secunia.com/advisories/38382"},{"type":"ADVISORY","url":"http://secunia.com/advisories/38383"},{"type":"FIX","url":"http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz"},{"type":"FIX","url":"http://www.debian.org/security/2010/dsa-1980"},{"type":"WEB","url":"http://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html"},{"type":"WEB","url":"http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev"},{"type":"WEB","url":"http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES"},{"type":"WEB","url":"http://www.securityfocus.com/bid/37978"}],"schema_version":"1.7.3"}