CVE-2009-4016
EPSS 4.0%ircd-hybrid ircd-ratbox - arbitrary code execution
Published: 2/4/2010Modified: 4/28/2026
Also known as:DEBIAN-CVE-2009-4016
Description
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.
Affected packages (3)
- Debian/ircd-hybridfrom 0, < 1:7.2.2.dfsg.2-6.1
- Debian/ircd-hybridfrom 0, < 1:7.2.2.dfsg.2-3+etch1
- Debian/ircd-ratboxfrom 0, < 2.2.8.dfsg-2+lenny1