{
  "threat_severity" : "Low",
  "public_date" : "2011-07-20T00:00:00Z",
  "bugzilla" : {
    "description" : "pidgin: Crash in IRC protocol plug-in by listing set of users (/who command) upon session startup",
    "id" : "722939",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=722939"
  },
  "cvss" : {
    "cvss_base_score" : "4.0",
    "cvss_scoring_vector" : "AV:N/AC:L/Au:S/C:N/I:N/A:P",
    "status" : "draft"
  },
  "details" : [ "The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted nickname that is not properly handled in a WHO response." ],
  "statement" : "Not vulnerable. This issue did not affect the versions of pidgin as\nshipped with Red Hat Enterprise Linux 4, 5, or 6 as they contained a version of pidgin that did not support /who IRC protocol command.",
  "acknowledgement" : "Red Hat would like to thank Pidgin project for reporting this issue.",
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "pidgin",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "pidgin",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "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-2011-2943\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2943" ],
  "name" : "CVE-2011-2943",
  "csaw" : false
}