CVE-2011-3594

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    CVE-2011-3594

    Published: 4 Nov 2011Last Modified: 10 Apr 2026

    Summary:

    Details: The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.

    References: http://secunia.com/advisories/46376, http://www.mandriva.com/security/advisories?name=MDVSA-2011:183, http://developer.pidgin.im/ticket/14636, https://bugzilla.redhat.com/show_bug.cgi?id=743481, http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8, http://pidgin.im/news/security/?id=56, http://www.redhat.com/support/errata/RHSA-2011-1371.html, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18034

    Affected packages

    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