{"schemaVersion":3,"id":"CVE-2011-1720","aliases":["RHSA-2011:0843","DEBIAN-CVE-2011-1720"],"status":"published","duplicateOf":null,"title":null,"description":"The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different 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