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RHSA-2013:0689: bind security and bug fix update

Severity CVSS Published Added Modified
8 (AV:N/AC:L/Au:N/C:N/I:N/A:C) March 28, 2013 April 01, 2013 July 04, 2017


The Berkeley Internet Name Domain (BIND) is an implementation of theDomain Name System (DNS) protocols. BIND includes a DNS server (named); aresolver library (routines for applications to use when interfacing withDNS); and tools for verifying that the DNS server is operating correctly.A denial of service flaw was found in the libdns library. A remote attackercould use this flaw to send a specially-crafted DNS query to named that,when processed, would cause named to use an excessive amount of memory, orpossibly crash. (CVE-2013-2266)Note: This update disables the syntax checking of NAPTR (Naming AuthorityPointer) resource records.This update also fixes the following bug:All bind users are advised to upgrade to these updated packages, whichcontain patches to correct these issues. After installing the update, theBIND daemon (named) will be restarted automatically.

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