{
  "threat_severity" : "Moderate",
  "public_date" : "2011-12-11T00:00:00Z",
  "bugzilla" : {
    "description" : "pidgin: SILC remote crash on channel messages",
    "id" : "766446",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=766446"
  },
  "cvss" : {
    "cvss_base_score" : "4.3",
    "cvss_scoring_vector" : "AV:N/AC:M/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "details" : [ "The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594." ],
  "statement" : "Not vulnerable.  This issue did not affect the version of pidgin as shipped with Red Hat Enterprise Linux 6 as it explicitly disables support for the SILC protocol.",
  "acknowledgement" : "Red Hat would like to thank Pidgin project for reporting this issue. Upstream acknowledges Diego Bauche Madero (IOActive) as the original reporter.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "release_date" : "2011-12-14T00:00:00Z",
    "advisory" : "RHSA-2011:1820",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4",
    "package" : "pidgin-0:2.6.6-10.el4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2011-12-14T00:00:00Z",
    "advisory" : "RHSA-2011:1820",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "pidgin-0:2.6.6-5.el5_7.4"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "pidgin",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-4603\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4603" ],
  "name" : "CVE-2011-4603",
  "csaw" : false
}