Vulnerability Details CVE-2009-4016
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.04
EPSS Ranking 88.0%
CVSS Severity
CVSS v2 Score 6.8
Products affected by CVE-2009-4016
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cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.2
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cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.3
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:*
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.0
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.3
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.3
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.0
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.10
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.11
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.3
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.4
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.5
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.6
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.7
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.8
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.9
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.0
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.3
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.4
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.5
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.6
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.7
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.8
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.1
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.2
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.3
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.4
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.5
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.6
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cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.7
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cpe:2.3:a:oftc:oftc-hybrid:*
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cpe:2.3:a:oftc:oftc-hybrid:1.4.0
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cpe:2.3:a:oftc:oftc-hybrid:1.4.1
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cpe:2.3:a:oftc:oftc-hybrid:1.5.0
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cpe:2.3:a:oftc:oftc-hybrid:1.5.1
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cpe:2.3:a:oftc:oftc-hybrid:1.5.2
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cpe:2.3:a:oftc:oftc-hybrid:1.5.3
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cpe:2.3:a:oftc:oftc-hybrid:1.5.4
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cpe:2.3:a:oftc:oftc-hybrid:1.5.5
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cpe:2.3:a:oftc:oftc-hybrid:1.5.6
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cpe:2.3:a:oftc:oftc-hybrid:1.5.7
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cpe:2.3:a:oftc:oftc-hybrid:1.6.0
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cpe:2.3:a:oftc:oftc-hybrid:1.6.1
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cpe:2.3:a:oftc:oftc-hybrid:1.6.2
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cpe:2.3:a:oftc:oftc-hybrid:1.6.3
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cpe:2.3:a:oftc:oftc-hybrid:1.6.4
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cpe:2.3:a:oftc:oftc-hybrid:1.6.5
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cpe:2.3:a:oftc:oftc-hybrid:1.6.6