Ircd-hybrid

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    Vulnerabilities

    CVE-2013-0238

    The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.

    Last Modified: Apr 11, 2025
    Published: Feb 13, 2013

    CVE-2009-4016

    ircd-{hybrid,ratbox}: multiple vulnerabilities

    Last Modified: Apr 11, 2025
    Published: Jan 27, 2010

    CVE-2004-0605

    Non-registered IRC users using (1) ircd-hybrid 7.0.1 and earlier, (2) ircd-ratbox 1.5.1 and earlier, or (3) ircd-ratbox 2.0rc6 and earlier do not have a rate-limit imposed, which could allow remote attackers to cause a denial of service by repeatedly making requests, which are slowly dequeued.

    Last Modified: Apr 16, 2026
    Published: Jun 30, 2004
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