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    CVE-2006-6252

    Microsoft Windows Live Messenger 8.0 and earlier, when gestual emoticons are enabled, allows remote attackers to cause a denial of service (CPU consumption) via a long string composed of ":D" sequences, which are interpreted as emoticons.

    Published:Dec 4, 2006
    Last Modified:Apr 23, 2026
    EPS:Dec 4, 2006
    EPSS Score:0.13289
    CVSS Score:4.3

    Affected Products

    Vendor
    Microsoft
    Product
    Windows Live Messenger

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2009-2544 (CVSS 6.8) — Directory traversal vulnerability in the Marcelo Costa FileServer component 1.0 for Microsoft Windows Live Mes…
    CVE-2009-0647 (CVSS 5) — msnmsgr.exe in Windows Live Messenger (WLM) 2009 build 14.0.8064.206, and other 14.0.8064.x builds, allows rem…
    CVE-2008-5828 (CVSS 5) — Microsoft Windows Live Messenger Client 8.5.1 and earlier, when MSN Protocol Version 15 (MSNP15) is used over …
    CVE-2008-5179 (CVSS 5) — Unspecified vulnerability in Microsoft Office Communications Server (OCS), Office Communicator, and Windows Li…
    CVE-2007-5144 (CVSS 4.3) — Buffer overflow in the GDI engine in Windows Live Messenger, as used for Windows MSN Live 8.1, allows user-ass…
    CVE-2007-2931 (CVSS 9.3) — Heap-based buffer overflow in Microsoft MSN Messenger 6.2, 7.0, and 7.5, and Live Messenger 8.0 allows user-as…
    CVE-2006-3250 (CVSS 5.1) — Heap-based buffer overflow in Windows Live Messenger 8.0 allows user-assisted attackers to execute arbitrary c…

    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