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    CVE-2011-3594

    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.

    Published:Sep 29, 2011
    Last Modified:Apr 11, 2025
    EPS:Nov 4, 2011
    EPSS Score:0.00959
    CVSS Score:4.3

    Affected Products

    Vendor
    Pidgin
    Product
    Libpurple
    Vendor
    Pidgin
    Product
    Pidgin
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://developer.pidgin.im/ticket/14636http://developer.pidgin.im/ticket/14636

    Related CVEs

    CVE-2011-2943 (CVSS 4.3) — The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin befor…
    CVE-2010-4528 (CVSS 4) — directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9 allows remote …
    CVE-2009-3084 (CVSS 5) — The msn_slp_process_msg function in libpurple/protocols/msn/slpcall.c in the MSN protocol plugin in libpurple …
    CVE-2009-2703 (CVSS 5) — libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IR…
    CVE-2009-3085 (CVSS 5) — The XMPP protocol plugin in libpurple in Pidgin before 2.6.2 does not properly handle an error IQ stanza durin…
    CVE-2009-3083 (CVSS 5) — The msn_slp_sip_recv function in libpurple/protocols/msn/slp.c in the MSN protocol plugin in libpurple in Pidg…

    References

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

    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