| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-1980-1 |
| Debian Bugs | 567191, 567192, 567193 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ircd-hybrid (PTS) | bullseye | 1:8.2.38+dfsg.1-2 | fixed |
| bookworm | 1:8.2.43+dfsg.1-1 | fixed | |
| trixie, sid | 1:8.2.46+dfsg.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ircd-hybrid | source | etch | 1:7.2.2.dfsg.2-3+etch1 | DSA-1980-1 | ||
| ircd-hybrid | source | lenny | 1:7.2.2.dfsg.2-4+lenny1 | DSA-1980-1 | ||
| ircd-hybrid | source | (unstable) | 1:7.2.2.dfsg.2-6.1 | medium | 567192 | |
| ircd-ratbox | source | lenny | 2.2.8.dfsg-2+lenny1 | DSA-1980-1 | ||
| ircd-ratbox | source | (unstable) | 3.0.6.dfsg-1 | medium | 567191 | |
| oftc-hybrid | source | (unstable) | 1.6.3.dfsg-1.1 | medium | 567193 |