DEBIAN-CVE-2009-4016

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    DEBIAN-CVE-2009-4016

    Published: 4 Feb 2010Last Modified: 1 Sept 2026
    Upstream:
    CVE-2009-4016

    Summary:

    Details: 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.

    References: https://security-tracker.debian.org/tracker/CVE-2009-4016

    Affected packages

    Package

    Name: ircd-hybrid

    Purl: pkg:deb/debian/ircd-hybrid?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:7.2.2.dfsg.2-6.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High