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    Debian: DSA-3664-1: pdns security update

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    Multiple vulnerabilities have been discovered in pdns, an authoritative DNS server. The Common Vulnerabilities and Exposures project identifies the following problems:
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3664-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    September 10, 2016                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : pdns
    CVE ID         : CVE-2016-5426 CVE-2016-5427 CVE-2016-6172
    Debian Bug     : 830808
    
    Multiple vulnerabilities have been discovered in pdns, an authoritative
    DNS server. The Common Vulnerabilities and Exposures project identifies
    the following problems:
    
    CVE-2016-5426 / CVE-2016-5427
    
        Florian Heinz and Martin Kluge reported that the PowerDNS
        Authoritative Server accepts queries with a qname's length larger
        than 255 bytes and does not properly handle dot inside labels. A
        remote, unauthenticated attacker can take advantage of these flaws
        to cause abnormal load on the PowerDNS backend by sending specially
        crafted DNS queries, potentially leading to a denial of service.
    
    CVE-2016-6172
    
        It was reported that a malicious primary DNS server can crash a
        secondary PowerDNS server due to improper restriction of zone size
        limits. This update adds a feature to limit AXFR sizes in response
        to this flaw.
    
    For the stable distribution (jessie), these problems have been fixed in
    version 3.4.1-4+deb8u6.
    
    We recommend that you upgrade your pdns packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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