CVE-2009-4016
MEDIUM · CVSS 6.8EPSS 4.0%EU EUVD
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-189
- EPSS score
- 4.0% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-3987)
- Published
- February 4, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-3987 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.
View on the EU Vulnerability DatabaseAffected products
- ircd-hybrid / ircd-hybrid
- ircd-hybrid / ircd-hybrid
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
and 24 more…
References
- http://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html
- http://secunia.com/advisories/38210(Vendor Advisory)
- http://secunia.com/advisories/38381(Vendor Advisory)
- http://secunia.com/advisories/38382(Vendor Advisory)
- http://secunia.com/advisories/38383(Vendor Advisory)
- http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz(Patch)
- http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev
- http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES
- http://www.debian.org/security/2010/dsa-1980(Patch)
- http://www.securityfocus.com/bid/37978
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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